{"title":"Aquarium Air Stones \u0026 Accessories","description":"\u003cp\u003eUpgrade your aquarium setup with our complete range of high-quality \u003cstrong data-start=\"236\" data-end=\"266\"\u003eair stones and accessories, \u003c\/strong\u003eperfect for boosting oxygen levels, enhancing water circulation, and supporting a healthier aquatic environment. Whether you're running a planted tank, a freshwater setup, or a marine aquarium, our collection includes everything from fine bubble diffusers to multi-outlet splitters, suction cups, airline tubing, and more.\u003c\/p\u003e","products":[{"product_id":"stainless-steel-aquarium-air-flow-splitter-lever-control-valve","title":"Stainless Steel Aquarium Air Flow Splitter 4mm Lever Control Valve","description":"\u003cp data-start=\"264\" data-end=\"668\"\u003eThe Castle Dawn Aquatics 304 Stainless Steel Air Flow Control Valve offers a premium solution for managing multiple air lines from a single pump. Crafted from durable 304-grade stainless steel, this valve can withstand pressures of up to 4kg, doubling the strength of similar valves made from chromium copper (2kg limit). This ensures long-lasting performance and reliability, even in high-output setups.\u003c\/p\u003e\n\u003cp data-start=\"670\" data-end=\"946\"\u003eEach outlet is equipped with its own turn valve, giving you precise control over airflow to multiple devices such as air stones, sponge filters, or breeding boxes. Compatible with up to 8mm tubing, this valve is suitable for both freshwater and saltwater aquariums.\u003c\/p\u003e\n\u003cp data-end=\"1159\" data-start=\"1122\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-end=\"1159\" data-start=\"1122\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1268\" data-start=\"1163\"\u003e\n\u003cstrong data-end=\"1183\" data-start=\"1163\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-end=\"1186\" data-start=\"1183\"\u003e1 × 304 stainless steel air flow control valve (multiple outlet options available)\u003c\/li\u003e\n\u003cli data-end=\"1319\" data-start=\"1272\"\u003e\n\u003cstrong data-end=\"1281\" data-start=\"1272\"\u003eSize:\u003c\/strong\u003e\u003cbr data-end=\"1284\" data-start=\"1281\"\u003eFits tubing up to 4mm.\u003c\/li\u003e\n\u003cli data-end=\"1443\" data-start=\"1323\"\u003e\n\u003cstrong data-end=\"1352\" data-start=\"1323\"\u003eHigh-Pressure Resistance:\u003c\/strong\u003e\u003cbr data-end=\"1355\" data-start=\"1352\"\u003eWithstands up to 4kg of pressure – twice the strength of standard chromium copper valves\u003c\/li\u003e\n\u003cli data-end=\"1553\" data-start=\"1447\"\u003e\n\u003cstrong data-end=\"1477\" data-start=\"1447\"\u003e304 Stainless Steel Build:\u003c\/strong\u003e\u003cbr data-end=\"1480\" data-start=\"1477\"\u003eCorrosion-resistant, rust-proof and suitable for marine or freshwater use\u003c\/li\u003e\n\u003cli data-end=\"1658\" data-start=\"1557\"\u003e\n\u003cstrong data-end=\"1579\" data-start=\"1557\"\u003ePrecision Control:\u003c\/strong\u003e\u003cbr data-end=\"1582\" data-start=\"1579\"\u003eEach outlet features an individual turn valve for adjustable airflow control\u003c\/li\u003e\n\u003cli data-end=\"1753\" data-start=\"1662\"\u003e\n\u003cstrong data-end=\"1690\" data-start=\"1662\"\u003eUniversal Compatibility:\u003c\/strong\u003e\u003cbr data-end=\"1693\" data-start=\"1690\"\u003eWorks with most air pumps and aquarium airline tubing setups\u003c\/li\u003e\n\u003cli data-end=\"1868\" data-start=\"1757\"\u003e\n\u003cstrong data-end=\"1792\" data-start=\"1757\"\u003eIdeal for Multi-Device Systems:\u003c\/strong\u003e\u003cbr data-end=\"1795\" data-start=\"1792\"\u003eSplit airflow between sponge filters, air stones, CO₂ diffusers, and more\u003c\/li\u003e\n\u003cli data-end=\"1917\" data-start=\"1872\"\u003e\n\u003cstrong data-end=\"1885\" data-start=\"1872\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-end=\"1888\" data-start=\"1885\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\" href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli data-end=\"2159\" data-start=\"1919\"\u003e⚠️ \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-end=\"1934\" data-start=\"1922\"\u003eWarning:\u003c\/strong\u003e \u003c\/span\u003eBe wary of versions made from cheap materials being sold on various low-cost apps\/sites. They may pose a risk to the health of your aquarium inhabitants or cause personal harm.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"1 Way Splitter","offer_id":30271396151366,"sku":"SKU00135-2","price":7.09,"currency_code":"USD","in_stock":true},{"title":"2 Way Splitter","offer_id":30271117197382,"sku":"SKU00135-2","price":7.49,"currency_code":"USD","in_stock":true},{"title":"3 Way Splitter","offer_id":30271117230150,"sku":"SKU00135-3","price":7.89,"currency_code":"USD","in_stock":true},{"title":"4 Way Splitter","offer_id":30271117262918,"sku":"SKU00135-4","price":8.19,"currency_code":"USD","in_stock":true},{"title":"5 Way Splitter","offer_id":30271117295686,"sku":"SKU00135-5","price":9.64,"currency_code":"USD","in_stock":true},{"title":"6 Way Splitter","offer_id":30271117328454,"sku":"SKU00135-6","price":11.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/products\/stainless-steel-aquarium-air-flow-splitter-4mm-lever-control-valve-castle-dawn-aquatics-352693.jpg?v=1623338352"},{"product_id":"copy-of-stainless-steel-aquarium-air-flow-splitter-8mm-lever-control-valve","title":"304 Stainless Steel Aquarium Air Flow Control Valve 8mm – High Pressure Resistant.","description":"\u003cp data-end=\"668\" data-start=\"264\"\u003eThe Castle Dawn Aquatics 304 Stainless Steel Air Flow Control Valve offers a premium solution for managing multiple air lines from a single pump. Crafted from durable 304-grade stainless steel, this valve can withstand pressures of up to 4kg, doubling the strength of similar valves made from chromium copper (2kg limit). This ensures long-lasting performance and reliability, even in high-output setups.\u003c\/p\u003e\n\u003cp data-end=\"946\" data-start=\"670\"\u003eEach outlet is equipped with its own turn valve, giving you precise control over airflow to multiple devices such as air stones, sponge filters, or breeding boxes. Compatible with up to 8mm tubing, this valve is suitable for both freshwater and saltwater aquariums.\u003c\/p\u003e\n\u003cp data-end=\"1159\" data-start=\"1122\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-end=\"1159\" data-start=\"1122\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1268\" data-start=\"1163\"\u003e\n\u003cstrong data-end=\"1183\" data-start=\"1163\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-end=\"1186\" data-start=\"1183\"\u003e1 × 304 stainless steel air flow control valve (multiple outlet options available)\u003c\/li\u003e\n\u003cli data-end=\"1319\" data-start=\"1272\"\u003e\n\u003cstrong data-end=\"1281\" data-start=\"1272\"\u003eSize:\u003c\/strong\u003e\u003cbr data-end=\"1284\" data-start=\"1281\"\u003eFits tubing up to 8mm (0.31 inches)\u003c\/li\u003e\n\u003cli data-end=\"1443\" data-start=\"1323\"\u003e\n\u003cstrong data-end=\"1352\" data-start=\"1323\"\u003eHigh-Pressure Resistance:\u003c\/strong\u003e\u003cbr data-end=\"1355\" data-start=\"1352\"\u003eWithstands up to 4kg of pressure – twice the strength of standard chromium copper valves\u003c\/li\u003e\n\u003cli data-end=\"1553\" data-start=\"1447\"\u003e\n\u003cstrong data-end=\"1477\" data-start=\"1447\"\u003e304 Stainless Steel Build:\u003c\/strong\u003e\u003cbr data-end=\"1480\" data-start=\"1477\"\u003eCorrosion-resistant, rust-proof and suitable for marine or freshwater use\u003c\/li\u003e\n\u003cli data-end=\"1658\" data-start=\"1557\"\u003e\n\u003cstrong data-end=\"1579\" data-start=\"1557\"\u003ePrecision Control:\u003c\/strong\u003e\u003cbr data-end=\"1582\" data-start=\"1579\"\u003eEach outlet features an individual turn valve for adjustable airflow control\u003c\/li\u003e\n\u003cli data-end=\"1753\" data-start=\"1662\"\u003e\n\u003cstrong data-end=\"1690\" data-start=\"1662\"\u003eUniversal Compatibility:\u003c\/strong\u003e\u003cbr data-end=\"1693\" data-start=\"1690\"\u003eWorks with most air pumps and aquarium airline tubing setups\u003c\/li\u003e\n\u003cli data-end=\"1868\" data-start=\"1757\"\u003e\n\u003cstrong data-end=\"1792\" data-start=\"1757\"\u003eIdeal for Multi-Device Systems:\u003c\/strong\u003e\u003cbr data-end=\"1795\" data-start=\"1792\"\u003eSplit airflow between sponge filters, air stones, CO₂ diffusers, and more\u003c\/li\u003e\n\u003cli data-end=\"1917\" data-start=\"1872\"\u003e\n\u003cstrong data-end=\"1885\" data-start=\"1872\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-end=\"1888\" data-start=\"1885\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\" href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli data-end=\"2159\" data-start=\"1919\"\u003e⚠️ \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-end=\"1934\" data-start=\"1922\"\u003eWarning:\u003c\/strong\u003e \u003c\/span\u003eBe wary of versions made from cheap materials being sold on various low-cost apps\/sites. They may pose a risk to the health of your aquarium inhabitants or cause personal harm.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"2 Way Splitter","offer_id":30271405850694,"sku":"SKU00135-2","price":8.38,"currency_code":"USD","in_stock":true},{"title":"4 Way Splitter","offer_id":30271405916230,"sku":"SKU00135-4","price":9.38,"currency_code":"USD","in_stock":true},{"title":"5 Way Splitter","offer_id":30271405948998,"sku":"SKU00135-5","price":11.19,"currency_code":"USD","in_stock":false},{"title":"6 Way Splitter","offer_id":30271405981766,"sku":"SKU00135-6","price":13.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/products\/stainless-steel-aquarium-air-flow-splitter-8mm-lever-control-valve-castle-dawn-aquatics-378044.jpg?v=1623338338"},{"product_id":"aquarium-air-bubble-light-curtain-stone-disk-with-3-colour-leds","title":"Aquarium Air Bubble Light Disk with 3 Colour High Intensity LEDs","description":"\u003cp data-start=\"227\" data-end=\"592\"\u003eOur Castle Dawn Aquatics LED Aquarium Bubblers use high-intensity LED cells instead of common LED bulbs, providing a powerful, long-lasting light beam that won’t fade quickly. Guaranteed for 30,000 hours of operation, these bubblers are crafted from 100% aquatic-safe PET plastic, BPA-free, and feature an IP68 waterproof rating for reliable underwater performance.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"638\" data-end=\"678\"\u003e\n\u003cstrong data-start=\"638\" data-end=\"647\"\u003eSize:\u003c\/strong\u003e\u003cbr data-start=\"647\" data-end=\"650\"\u003e10.5 cm (4.13 inches) length\u003c\/li\u003e\n\u003cli data-start=\"680\" data-end=\"780\"\u003e\n\u003cstrong data-start=\"680\" data-end=\"704\"\u003eHigh-Intensity LEDs:\u003c\/strong\u003e\u003cbr data-start=\"704\" data-end=\"707\"\u003eUses advanced LED cells delivering strong, vibrant light beams that last.\u003c\/li\u003e\n\u003cli data-start=\"782\" data-end=\"864\"\u003e\n\u003cstrong data-start=\"782\" data-end=\"804\"\u003eAvailable Colours:\u003c\/strong\u003e\u003cbr data-start=\"804\" data-end=\"807\"\u003eRed, blue, and green options to suit your aquarium style.\u003c\/li\u003e\n\u003cli data-start=\"866\" data-end=\"927\"\u003e\n\u003cstrong data-start=\"866\" data-end=\"876\"\u003ePower:\u003c\/strong\u003e\u003cbr data-start=\"876\" data-end=\"879\"\u003e5W LED cells for bright, efficient illumination.\u003c\/li\u003e\n\u003cli data-start=\"929\" data-end=\"1007\"\u003e\n\u003cstrong data-start=\"929\" data-end=\"951\"\u003eWaterproof Rating:\u003c\/strong\u003e\u003cbr data-start=\"951\" data-end=\"954\"\u003eIP68 certified – fully waterproof for underwater use.\u003c\/li\u003e\n\u003cli data-start=\"1009\" data-end=\"1080\"\u003e\n\u003cstrong data-start=\"1009\" data-end=\"1022\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"1022\" data-end=\"1025\"\u003eMade from 100% aquatic-safe PET plastic, free from BPA.\u003c\/li\u003e\n\u003cli data-start=\"1082\" data-end=\"1156\"\u003e\n\u003cstrong data-start=\"1082\" data-end=\"1100\"\u003eCompatibility:\u003c\/strong\u003e\u003cbr data-start=\"1100\" data-end=\"1103\"\u003eSuitable for both freshwater and saltwater aquariums.\u003c\/li\u003e\n\u003cli data-start=\"1158\" data-end=\"1209\"\u003e\n\u003cstrong data-start=\"1158\" data-end=\"1173\"\u003ePower Plug:\u003c\/strong\u003e\u003cbr data-start=\"1173\" data-end=\"1176\"\u003eType A (two-prong) plug included.\u003c\/li\u003e\n\u003cli data-start=\"1211\" data-end=\"1298\"\u003e\n\u003cstrong data-start=\"1211\" data-end=\"1225\"\u003eOperation:\u003c\/strong\u003e\u003cbr data-start=\"1225\" data-end=\"1228\"\u003eRequires connection to an air pump (not included) for the bubbling effect.\u003c\/li\u003e\n\u003cli data-start=\"1300\" data-end=\"1345\"\u003e\n\u003cstrong data-start=\"1300\" data-end=\"1313\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"1313\" data-end=\"1316\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\" title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli data-start=\"1347\" data-end=\"1535\"\u003e⚠️ \u003cstrong data-start=\"1350\" data-end=\"1362\"\u003eWarning:\u003c\/strong\u003e Only use Castle Dawn Aquatics LED bubblers to ensure waterproof safety and reliable LED performance. Beware of low-quality imitations that may fail or cause serious damage.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":30271474303046,"sku":"SKU00143","price":15.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/products\/aquarium-air-bubble-light-disk-with-3-colour-high-intensity-leds-castle-dawn-aquatics-652497.jpg?v=1623340740"},{"product_id":"aquarium-air-bubbler-no-flow-bell","title":"Glass Air Bell Oxygen Diffuser for Reduces Current","description":"\u003cp data-start=\"239\" data-end=\"673\"\u003eAir stones can create strong currents that may harm long-finned fish such as guppies and Halfmoon bettas by pulling their delicate fins into the airflow. The Castle Dawn Aquatics Glass Air Bell diffuser gently dissolves oxygen into the water while shielding your fish from damaging currents. Widely used in Halfmoon betta, show guppy, and fry tanks, this air bell helps maintain a calm, healthy environment for sensitive aquatic life.\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"719\" data-end=\"833\"\u003e\n\u003cstrong data-start=\"719\" data-end=\"739\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"739\" data-end=\"742\"\u003e– 1 × glass air bell diffuser\u003cbr data-start=\"771\" data-end=\"774\"\u003e– Suction cups\u003cbr data-start=\"788\" data-end=\"791\"\u003e– 1 × airstone\u003cbr data-start=\"805\" data-end=\"808\"\u003e⚠️ Air pump not included.\u003c\/li\u003e\n\u003cli data-start=\"835\" data-end=\"889\"\u003e\n\u003cstrong data-start=\"835\" data-end=\"844\"\u003eSize:\u003c\/strong\u003e\u003cbr data-start=\"844\" data-end=\"847\"\u003e14.5 × 4.5 cm (H × W) – 5.71 × 1.77 inches\u003c\/li\u003e\n\u003cli data-start=\"891\" data-end=\"968\"\u003e\n\u003cstrong data-start=\"891\" data-end=\"904\"\u003eMaterial:\u003c\/strong\u003e\u003cbr data-start=\"904\" data-end=\"907\"\u003eMade from durable glass – handle with care to avoid breakage.\u003c\/li\u003e\n\u003cli data-start=\"970\" data-end=\"1077\"\u003e\n\u003cstrong data-start=\"970\" data-end=\"995\"\u003eFish-Friendly Design:\u003c\/strong\u003e\u003cbr data-start=\"995\" data-end=\"998\"\u003eMinimises current to protect long-finned fish like Halfmoon bettas and guppies.\u003c\/li\u003e\n\u003cli data-start=\"1079\" data-end=\"1174\"\u003e\n\u003cstrong data-start=\"1079\" data-end=\"1095\"\u003eOxygenation:\u003c\/strong\u003e\u003cbr data-start=\"1095\" data-end=\"1098\"\u003eEffectively dissolves oxygen into water without producing strong water flow.\u003c\/li\u003e\n\u003cli data-start=\"1176\" data-end=\"1247\"\u003e\n\u003cstrong data-start=\"1176\" data-end=\"1189\"\u003eUse Case:\u003c\/strong\u003e\u003cbr data-start=\"1189\" data-end=\"1192\"\u003eIdeal for betta tanks, show guppy tanks, and fry tanks.\u003c\/li\u003e\n\u003cli data-start=\"1249\" data-end=\"1319\"\u003e\n\u003cstrong data-start=\"1249\" data-end=\"1266\"\u003eInstallation:\u003c\/strong\u003e\u003cbr data-start=\"1266\" data-end=\"1269\"\u003eRequires connection to an air pump (not included).\u003c\/li\u003e\n\u003cli data-start=\"1321\" data-end=\"1391\"\u003e\n\u003cstrong data-start=\"1321\" data-end=\"1330\"\u003eCare:\u003c\/strong\u003e\u003cbr data-start=\"1330\" data-end=\"1333\"\u003eGlass construction demands careful handling and placement.\u003c\/li\u003e\n\u003cli data-start=\"1393\" data-end=\"1438\"\u003e\n\u003cstrong data-start=\"1393\" data-end=\"1406\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"1406\" data-end=\"1409\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\" title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli data-start=\"1440\" data-end=\"1573\"\u003e⚠️ \u003cstrong data-start=\"1443\" data-end=\"1455\"\u003eWarning:\u003c\/strong\u003e Fragile glass requires careful handling during installation and maintenance to avoid damage and risk to aquatic life.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":30271653019718,"sku":"SKU00144","price":11.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/products\/aquarium-air-bubbler-no-flow-diffuser-bell-castle-dawn-aquatics-449106.jpg?v=1623340732"},{"product_id":"colored-non-kink-oxygen-tube-natural-silicone-airline","title":"Aquarium Silicone Airline Tubing – 4\/6mm Non-Kink 12ft Oxygen Tube in 11 Colours","description":"\u003cp data-end=\"703\" data-start=\"248\"\u003eThe Castle Dawn Aquatics Multi-Coloured Silicone Airline Tubing is a flexible and durable solution for all your aquarium air needs. Made from 100% soft silicone, it stays pliable and resists hardening or cracking over time, ensuring long-lasting performance in both freshwater and marine setups. With 11 vibrant colour options, this airline tubing allows you to easily colour-code your equipment, perfect for keeping your tank organised during maintenance.\u003c\/p\u003e\n\u003cp data-end=\"972\" data-start=\"705\"\u003eWhether you're running sponge filters, dosing systems, air stones, CO₂ systems, or other devices, this 4mm inner diameter tubing is compatible with most standard air pumps and accessories. Its non-kink design ensures smooth airflow and hassle-free installation, even in tight spaces.\u003c\/p\u003e\n\u003cp data-end=\"1011\" data-start=\"974\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-end=\"1011\" data-start=\"974\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1149\" data-start=\"1015\"\u003e\n\u003cstrong data-end=\"1035\" data-start=\"1015\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-end=\"1038\" data-start=\"1035\"\u003e1 × 12ft (4 m) length of coloured 100% silicone airline tubing (random or selected colour depending on variant)\u003c\/li\u003e\n\u003cli data-end=\"1265\" data-start=\"1153\"\u003e\n\u003cstrong data-end=\"1162\" data-start=\"1153\"\u003eSize:\u003c\/strong\u003e\u003cbr data-end=\"1165\" data-start=\"1162\"\u003e12ft (4 metres) | 6 mm outer diameter × 4 mm inner diameter – fits all standard aquarium air outlets\u003c\/li\u003e\n\u003cli data-end=\"1390\" data-start=\"1269\"\u003e\n\u003cstrong data-end=\"1288\" data-start=\"1269\"\u003eColour Variety:\u003c\/strong\u003e\u003cbr data-end=\"1291\" data-start=\"1288\"\u003eAvailable in 11 distinct colours for colour-coding different equipment and systems in your aquarium\u003c\/li\u003e\n\u003cli data-end=\"1523\" data-start=\"1394\"\u003e\n\u003cstrong data-end=\"1419\" data-start=\"1394\"\u003eNon-Kink Flexibility:\u003c\/strong\u003e\u003cbr data-end=\"1422\" data-start=\"1419\"\u003eDesigned to bend easily without folding or restricting airflow, making setup easier and more reliable\u003c\/li\u003e\n\u003cli data-end=\"1653\" data-start=\"1527\"\u003e\n\u003cstrong data-end=\"1557\" data-start=\"1527\"\u003eDurable Silicone Material:\u003c\/strong\u003e\u003cbr data-end=\"1560\" data-start=\"1557\"\u003eMade from premium 100% silicone – soft, long-lasting, non-toxic and safe for all aquatic life\u003c\/li\u003e\n\u003cli data-end=\"1774\" data-start=\"1657\"\u003e\n\u003cstrong data-end=\"1675\" data-start=\"1657\"\u003eCompatibility:\u003c\/strong\u003e\u003cbr data-end=\"1678\" data-start=\"1675\"\u003eFits standard air pumps, CO₂ systems, sponge filters, bubble walls, and other air-driven devices\u003c\/li\u003e\n\u003cli data-end=\"1893\" data-start=\"1778\"\u003e\n\u003cstrong data-end=\"1791\" data-start=\"1778\"\u003eUse Case:\u003c\/strong\u003e\u003cbr data-end=\"1794\" data-start=\"1791\"\u003eSuitable for tropical aquariums, planted tanks, shrimp tanks, marine setups, and hydroponic systems\u003c\/li\u003e\n\u003cli data-end=\"2009\" data-start=\"1897\"\u003e\n\u003cstrong data-end=\"1918\" data-start=\"1897\"\u003eInstallation Tip:\u003c\/strong\u003e\u003cbr data-end=\"1921\" data-start=\"1918\"\u003eTo attach easily, soak the end in warm water for 30 seconds before sliding onto fittings\u003c\/li\u003e\n\u003cli data-end=\"2058\" data-start=\"2013\"\u003e\n\u003cstrong data-end=\"2026\" data-start=\"2013\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-end=\"2029\" data-start=\"2026\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\" title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Purple","offer_id":30295953604678,"sku":"SKU00145-1","price":11.38,"currency_code":"USD","in_stock":true},{"title":"Bubblegum Pink","offer_id":30295953637446,"sku":"SKU00145-2","price":11.38,"currency_code":"USD","in_stock":true},{"title":"Orange","offer_id":30295953670214,"sku":"SKU00145-3","price":11.38,"currency_code":"USD","in_stock":true},{"title":"Red","offer_id":30295953702982,"sku":"SKU00145-4","price":11.38,"currency_code":"USD","in_stock":true},{"title":"Fluorescent Pink","offer_id":30295953735750,"sku":"SKU00145-5","price":11.38,"currency_code":"USD","in_stock":true},{"title":"Yellow","offer_id":30295953801286,"sku":"SKU00145-7","price":11.38,"currency_code":"USD","in_stock":true},{"title":"Fluorescent Green","offer_id":30295953834054,"sku":"SKU00145-8","price":11.38,"currency_code":"USD","in_stock":true},{"title":"Lime Green","offer_id":30295953866822,"sku":"SKU00145-9","price":11.38,"currency_code":"USD","in_stock":true},{"title":"Fluorescent Blue","offer_id":30295953899590,"sku":"SKU00145-10","price":11.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/products\/castle-dawn-aquatics-aquarium-multi-colored-non-kink-6mm-oxygen-tube-silicone-airline-tubing-castle-dawn-aquatics-846170.jpg?v=1623340277"},{"product_id":"aquarium-clear-non-kink-4mm-oxygen-tube-silicone-airline","title":"Clear Non Kink 6mm ''Oxygen Tube'' Silicone 30ft Airline Tubing","description":"\u003cp data-start=\"266\" data-end=\"644\"\u003eThe Castle Dawn Aquatics Clear Non-Kink Silicone Airline Tubing offers superior flexibility, durability, and performance for all your aquarium aeration needs. Made from 100% pure silicone, this tubing is designed to stay soft and pliable without hardening, cracking, or kinking — even after long-term use in freshwater or saltwater setups.\u003c\/p\u003e\n\u003cp data-start=\"646\" data-end=\"959\"\u003eAt 30ft (9.14m) in length with a 6mm outer diameter and 4mm inner diameter, it fits seamlessly with all standard air pumps, bubblers, filters, and CO₂ systems. The crystal-clear tubing blends discreetly into your aquarium environment, making it perfect for both home and professional aquatic displays.\u003c\/p\u003e\n\u003cp data-start=\"961\" data-end=\"1250\"\u003eThis airline tubing is UV resistant, chemical resistant, and safe for use with all types of aquatic life, including sensitive fish, shrimp, and plants. It’s easy to cut to length and install, providing reliable oxygen delivery for healthy fish and thriving aquatic ecosystems.\u003c\/p\u003e\n\u003cp data-start=\"1252\" data-end=\"1430\"\u003eIdeal for hobbyists and professionals alike, Castle Dawn’s silicone airline tubing guarantees long-lasting, worry-free aeration with excellent air flow and compatibility.\u003c\/p\u003e\n\u003cp data-start=\"1432\" data-end=\"1469\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-start=\"1432\" data-end=\"1469\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1299\" data-start=\"1230\"\u003e\n\u003cstrong data-end=\"1250\" data-start=\"1230\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-end=\"1253\" data-start=\"1250\"\u003e1 × 30ft (9.14m) clear silicone airline tubing.\u003c\/li\u003e\n\u003cli data-end=\"1387\" data-start=\"1303\"\u003e\n\u003cstrong data-end=\"1312\" data-start=\"1303\"\u003eSize:\u003c\/strong\u003e\u003cbr data-end=\"1315\" data-start=\"1312\"\u003e30ft (9.14 meters) – 6mm outer × 4mm inner diameter (0.24 × 0.16 inches).\u003c\/li\u003e\n\u003cli data-end=\"1485\" data-start=\"1391\"\u003e\n\u003cstrong data-end=\"1414\" data-start=\"1391\"\u003e100% Pure Silicone:\u003c\/strong\u003e\u003cbr data-end=\"1417\" data-start=\"1414\"\u003eRemains flexible and soft over time. Will not harden, crack, or kink.\u003c\/li\u003e\n\u003cli data-end=\"1582\" data-start=\"1489\"\u003e\n\u003cstrong data-end=\"1512\" data-start=\"1489\"\u003eCrystal Clear Look:\u003c\/strong\u003e\u003cbr data-end=\"1515\" data-start=\"1512\"\u003eTransparent tubing blends discreetly into your aquarium environment.\u003c\/li\u003e\n\u003cli data-end=\"1698\" data-start=\"1586\"\u003e\n\u003cstrong data-end=\"1616\" data-start=\"1586\"\u003eUV and Chemical Resistant:\u003c\/strong\u003e\u003cbr data-end=\"1619\" data-start=\"1616\"\u003eDurable and safe for all aquatic species, including sensitive shrimp and plants.\u003c\/li\u003e\n\u003cli data-end=\"1806\" data-start=\"1702\"\u003e\n\u003cstrong data-end=\"1730\" data-start=\"1702\"\u003eFits Standard Equipment:\u003c\/strong\u003e\u003cbr data-end=\"1733\" data-start=\"1730\"\u003eCompatible with most air pumps, bubblers, sponge filters, and CO₂ systems.\u003c\/li\u003e\n\u003cli data-end=\"1900\" data-start=\"1810\"\u003e\n\u003cstrong data-end=\"1835\" data-start=\"1810\"\u003eReliable Performance:\u003c\/strong\u003e\u003cbr data-end=\"1838\" data-start=\"1835\"\u003eExcellent airflow with easy cutting and leak-free installation.\u003c\/li\u003e\n\u003cli data-end=\"2002\" data-start=\"1904\"\u003e\n\u003cstrong data-end=\"1922\" data-start=\"1904\"\u003eVersatile Use:\u003c\/strong\u003e\u003cbr data-end=\"1925\" data-start=\"1922\"\u003eIdeal for freshwater and marine aquariums, hydroponics, and aquatic gardening.\u003c\/li\u003e\n\u003cli data-end=\"2051\" data-start=\"2006\"\u003e\n\u003cstrong data-end=\"2019\" data-start=\"2006\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-end=\"2022\" data-start=\"2019\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\" href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":30296169513030,"sku":"SKU00146","price":8.38,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/products\/castle-dawn-aquatics-aquarium-clear-non-kink-6mm-oxygen-tube-silicone-30ft-airline-tubing-castle-dawn-aquatics-251647.jpg?v=1623340279"},{"product_id":"air-stones-for-pond-aquarium-5cm-air-stone-ball-airstones-bubble-diffuser-for-air-pumps-fish-tanks-buckets-outdoor-fish-ponds-5-pack","title":"5cm Ball Air Stone With Metal Connector - 5 Pack","description":"\u003cp data-start=\"245\" data-end=\"627\"\u003eThe Castle Dawn Aquatics 5 cm Ball Air stone is built for long-lasting, high-efficiency oxygenation in aquariums, deep water culture (DWC) systems, and outdoor fish ponds. Designed with a durable mineral-based body and a metal connector, this airstone outperforms plastic connector alternatives by offering superior strength, leak resistance, and a longer service life.\u003c\/p\u003e\n\u003cp data-start=\"629\" data-end=\"906\"\u003eWith a jetting volume of 5 L\/min, it produces a rich flow of medium-sized bubbles, increasing oxygen solubility and promoting healthier aquatic environments. It’s well-weighted to stay securely at the bottom of your tank, delivering consistent airflow without drifting.\u003c\/p\u003e\n\u003cp data-start=\"1268\" data-end=\"1305\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-start=\"1268\" data-end=\"1305\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"672\" data-end=\"795\"\u003e\n\u003cstrong data-start=\"672\" data-end=\"692\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"692\" data-end=\"695\"\u003e– 5 × 5 cm (2 inch) ball air stones with metal connectors\u003cbr data-start=\"752\" data-end=\"755\"\u003e⚠️ Airline tubing and pump not included.\u003c\/li\u003e\n\u003cli data-start=\"797\" data-end=\"871\"\u003e\n\u003cstrong data-start=\"797\" data-end=\"816\"\u003eJetting Volume:\u003c\/strong\u003e\u003cbr data-start=\"816\" data-end=\"819\"\u003eProduces 5 L\/min for consistent, effective aeration.\u003c\/li\u003e\n\u003cli data-start=\"873\" data-end=\"961\"\u003e\n\u003cstrong data-start=\"873\" data-end=\"898\"\u003eAir Pump Requirement:\u003c\/strong\u003e\u003cbr data-start=\"898\" data-end=\"901\"\u003eBest used with pumps rated above 4W for optimal performance.\u003c\/li\u003e\n\u003cli data-start=\"963\" data-end=\"1069\"\u003e\n\u003cstrong data-start=\"963\" data-end=\"988\"\u003eTubing Compatibility:\u003c\/strong\u003e\u003cbr data-start=\"988\" data-end=\"991\"\u003eFits standard 0.5 cm (4 mm) and 0.9 cm (8 mm) airline tubing (inner diameter).\u003c\/li\u003e\n\u003cli data-start=\"1071\" data-end=\"1174\"\u003e\n\u003cstrong data-start=\"1071\" data-end=\"1090\"\u003eBubble Quality:\u003c\/strong\u003e\u003cbr data-start=\"1090\" data-end=\"1093\"\u003eEmits dense medium-sized bubbles that boost oxygen solubility in tanks and ponds.\u003c\/li\u003e\n\u003cli data-start=\"1176\" data-end=\"1268\"\u003e\n\u003cstrong data-start=\"1176\" data-end=\"1197\"\u003eDurable Material:\u003c\/strong\u003e\u003cbr data-start=\"1197\" data-end=\"1200\"\u003eMade from high-temperature sintered mineral – safe and long-lasting.\u003c\/li\u003e\n\u003cli data-start=\"1270\" data-end=\"1388\"\u003e\n\u003cstrong data-start=\"1270\" data-end=\"1297\"\u003eStrong Metal Connector:\u003c\/strong\u003e\u003cbr data-start=\"1297\" data-end=\"1300\"\u003eMetal fittings is more secure and durable than plastic, reducing the risk of leaks or breaks.\u003c\/li\u003e\n\u003cli data-start=\"1390\" data-end=\"1469\"\u003e\n\u003cstrong data-start=\"1390\" data-end=\"1401\"\u003eWeight:\u003c\/strong\u003e\u003cbr data-start=\"1401\" data-end=\"1404\"\u003e106 g – heavy enough to remain stable on the tank or pond bottom.\u003c\/li\u003e\n\u003cli data-start=\"1471\" data-end=\"1535\"\u003e\n\u003cstrong data-start=\"1471\" data-end=\"1480\"\u003eSize:\u003c\/strong\u003e\u003cbr data-start=\"1480\" data-end=\"1483\"\u003e5 × 5 × 5 cm (H × L × W) – 1.97 × 1.97 × 1.97 inches\u003c\/li\u003e\n\u003cli data-start=\"1537\" data-end=\"1636\"\u003e\n\u003cstrong data-start=\"1537\" data-end=\"1549\"\u003eUse Tip:\u003c\/strong\u003e\u003cbr data-start=\"1549\" data-end=\"1552\"\u003eSoak in water for 1 hour before use. Clean gently with a toothbrush to remove clogs.\u003c\/li\u003e\n\u003cli data-start=\"1638\" data-end=\"1683\"\u003e\n\u003cstrong data-start=\"1638\" data-end=\"1651\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"1651\" data-end=\"1654\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\" href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":50982193365273,"sku":"SKU00147-39","price":19.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/CastleDawnAquatics5cmroundaquariumairstonewithmetalconnectorforairpumpsabove4W_idealforpondsandDWCsystems_2dbc98dd-78e5-4da4-beea-b130faed625b.jpg?v=1751352346"},{"product_id":"castle-dawn-aquatics-micro-bubble-air-stone-bar-diffuser-4-pack","title":"Micro Bubble Air Stone Bar Diffuser – 4 Pack","description":"\u003cp\u003eThe Castle Dawn Aquatics Micro Bubble Air Stone Bar Diffuser – 4 Pack is a reliable and efficient way to improve oxygen levels in your aquariums or hydroponic systems. Made from high-quality natural stone and plastic, these bar diffusers are suitable for both freshwater and saltwater setups. Designed to produce uniform, fine micro-bubbles, they significantly enhance aeration and promote healthy aquatic life.\u003c\/p\u003e\n\u003cp\u003eEach bar fits standard 3\/16\" (4.7 mm) airline tubing and is easy to use—just soak before the first use and clean as needed with water and a cloth (no detergents).\u003c\/p\u003e\n\u003cp\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr\u003e– 4 × micro bubble air stone bar diffusers\u003cbr\u003e⚠️ Airline tubing and pump not included.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNatural Stone \u0026amp; Plastic Build:\u003c\/strong\u003e\u003cbr\u003eDurable and aquarium-safe materials – designed for long-lasting performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMicro-Bubble Output:\u003c\/strong\u003e\u003cbr\u003eProduces uniform, fine bubbles – ideal for increasing dissolved oxygen and improving water flow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFits Standard Airline Tubing:\u003c\/strong\u003e\u003cbr\u003eCompatible with 3\/16\" (4.7 mm) tubing – fits most air pump systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eVersatile Applications:\u003c\/strong\u003e\u003cbr\u003eSuitable for freshwater and saltwater aquariums, as well as hydroponic systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSimple Maintenance:\u003c\/strong\u003e\u003cbr\u003eSoak before first use; clean using water only – avoid detergents or chemicals.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSize:\u003c\/strong\u003e Each bar approx. 10 cm long × 1.5 cm wide × 1.2 cm high (3.94 × 0.59 × 0.47 inches)\u003cbr\u003e\u003cstrong\u003eWarranty:\u003c\/strong\u003e 1‑Year Warranty (\u003cstrong\u003e\u003ca href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\" title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\"\u003eT\u0026amp;Cs apply\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli\u003e⚠️ \u003cstrong\u003eWarning:\u003c\/strong\u003e Do not use soap or detergents to clean. Residues may harm fish or aquatic plants. Always rinse with water only.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"21.5 cm (8.46 inches)","offer_id":50982395117849,"sku":"SKU00147-42","price":8.95,"currency_code":"USD","in_stock":true},{"title":"26.5 cm (10.43 inches)","offer_id":50982395150617,"sku":"SKU00147-43","price":11.5,"currency_code":"USD","in_stock":true},{"title":"31.5 cm (12.40 inches)","offer_id":50982395183385,"sku":"SKU00147-44","price":13.5,"currency_code":"USD","in_stock":true},{"title":"36.5 cm (14.37 inches)","offer_id":50982395216153,"sku":"SKU00147-45","price":14.55,"currency_code":"USD","in_stock":true},{"title":"41.5 cm (16.34 inches)","offer_id":50982395248921,"sku":"SKU00147-46","price":15.8,"currency_code":"USD","in_stock":true},{"title":"48 cm (18.90 inches)","offer_id":50982395281689,"sku":"SKU00147-47","price":19.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/CastleDawnAquatic4-packairstonebardiffuserwithmicro-bubbleoutput.Idealforaquariums_hydroponics_fishtanks..jpg?v=1751353771"},{"product_id":"castle-dawn-aquatics-2-pack-multi-coloured-aquarium-bubble-tube-diffuser-strong-suction-uniform-bubbles","title":"Multi Coloured Air Stone Bubble Tube Diffuser - 2 Pack","description":"\u003cp data-start=\"248\" data-end=\"665\"\u003eThe Castle Dawn Aquatics Air Bar Tube Bubble Release Diffuser – 2 Pack is the ideal solution for consistent and customisable oxygen delivery in your aquarium. Designed with high-quality plastic construction and a non-toxic silicone air inlet, this durable bubble tube releases dense, uniform micro-bubbles to enhance oxygen levels and create a visually stunning underwater effect.\u003c\/p\u003e\n\u003cp data-start=\"667\" data-end=\"996\"\u003eEach tube includes a strong suction cup for stable placement along the tank wall and can be extended using the included plastic connectors, making it easy to customise the length to fit your setup. Suitable for both freshwater and marine aquariums, this diffuser bar is the perfect partner for any air pump system.\u003c\/p\u003e\n\u003cp data-end=\"1305\" data-start=\"1268\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-end=\"1305\" data-start=\"1268\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"826\" data-end=\"975\"\u003e\n\u003cstrong data-start=\"826\" data-end=\"846\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"846\" data-end=\"849\"\u003e– 2 × air bar bubble diffuser tubes\u003cbr data-start=\"884\" data-end=\"887\"\u003e– 2 × suction cups\u003cbr data-start=\"905\" data-end=\"908\"\u003e– 2 × plastic connectors\u003cbr data-start=\"932\" data-end=\"935\"\u003e⚠️ Airline tubing and pump not included.\u003c\/li\u003e\n\u003cli data-start=\"977\" data-end=\"1087\"\u003e\n\u003cstrong data-start=\"977\" data-end=\"1001\"\u003eAquarium-Safe Build:\u003c\/strong\u003e\u003cbr data-start=\"1001\" data-end=\"1004\"\u003eMade with non-toxic plastic and silicone – safe for all freshwater and marine life.\u003c\/li\u003e\n\u003cli data-start=\"1089\" data-end=\"1209\"\u003e\n\u003cstrong data-start=\"1089\" data-end=\"1113\"\u003eCustomisable Length:\u003c\/strong\u003e\u003cbr data-start=\"1113\" data-end=\"1116\"\u003eConnect multiple bars using the included plastic joiners to match your aquarium’s dimensions.\u003c\/li\u003e\n\u003cli data-start=\"1211\" data-end=\"1318\"\u003e\n\u003cstrong data-start=\"1211\" data-end=\"1235\"\u003eStable Installation:\u003c\/strong\u003e\u003cbr data-start=\"1235\" data-end=\"1238\"\u003eStrong suction cups keep the diffuser firmly in place – no drifting or floating.\u003c\/li\u003e\n\u003cli data-start=\"1320\" data-end=\"1430\"\u003e\n\u003cstrong data-start=\"1320\" data-end=\"1346\"\u003eUniform Micro-Bubbles:\u003c\/strong\u003e\u003cbr data-start=\"1346\" data-end=\"1349\"\u003eReleases fine, dense bubbles – boosts dissolved oxygen while adding visual charm.\u003c\/li\u003e\n\u003cli data-start=\"1432\" data-end=\"1535\"\u003e\n\u003cstrong data-start=\"1432\" data-end=\"1470\"\u003eFreshwater \u0026amp; Saltwater Compatible:\u003c\/strong\u003e\u003cbr data-start=\"1470\" data-end=\"1473\"\u003eReliable performance across all aquarium types and conditions.\u003c\/li\u003e\n\u003cli data-start=\"1537\" data-end=\"1634\"\u003e\n\u003cstrong data-start=\"1537\" data-end=\"1566\"\u003eColour Options Available:\u003c\/strong\u003e\u003cbr data-start=\"1566\" data-end=\"1569\"\u003eAvailable in various colours to complement your aquarium’s theme.\u003c\/li\u003e\n\u003cli data-start=\"1636\" data-end=\"1748\"\u003e\n\u003cstrong data-start=\"1636\" data-end=\"1645\"\u003eSize:\u003c\/strong\u003e 1 cm diameter – each bar approx. 18 cm long (7.1 inches)\u003cbr data-start=\"1702\" data-end=\"1705\"\u003e\u003cstrong data-start=\"1705\" data-end=\"1718\"\u003eWarranty:\u003c\/strong\u003e 1‑Year Warranty (\u003cstrong\u003e\u003ca title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\" href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli data-start=\"1750\" data-end=\"1892\"\u003e⚠️ \u003cstrong data-start=\"1753\" data-end=\"1765\"\u003eWarning:\u003c\/strong\u003e Cheap copies may use brittle plastic or float when submerged. Only choose Castle Dawn Aquatics for safe, reliable performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"17.8 cm (7 inches) \/ Blue","offer_id":50982491750681,"sku":"SKU00147-50","price":8.95,"currency_code":"USD","in_stock":true},{"title":"17.8 cm (7 inches) \/ Green","offer_id":50982505709849,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"17.8 cm (7 inches) \/ Yellow","offer_id":50982505742617,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"17.8 cm (7 inches) \/ Orange","offer_id":50982505775385,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"17.8 cm (7 inches) \/ Pink","offer_id":50982505808153,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"17.8 cm (7 inches) \/ Lime","offer_id":50982505840921,"sku":null,"price":8.95,"currency_code":"USD","in_stock":true},{"title":"25.4 cm (10 inches) \/ 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Green","offer_id":50982506037529,"sku":null,"price":13.5,"currency_code":"USD","in_stock":true},{"title":"35.6 cm (14 inches) \/ Yellow","offer_id":50982506070297,"sku":null,"price":13.5,"currency_code":"USD","in_stock":true},{"title":"35.6 cm (14 inches) \/ Orange","offer_id":50982506103065,"sku":null,"price":13.5,"currency_code":"USD","in_stock":true},{"title":"35.6 cm (14 inches) \/ Pink","offer_id":50982506135833,"sku":null,"price":13.5,"currency_code":"USD","in_stock":true},{"title":"35.6 cm (14 inches) \/ Lime","offer_id":50982506168601,"sku":null,"price":13.5,"currency_code":"USD","in_stock":true},{"title":"47.5 cm (18 inches) \/ Blue","offer_id":50982491848985,"sku":"SKU00147-53","price":14.55,"currency_code":"USD","in_stock":true},{"title":"47.5 cm (18 inches) \/ Green","offer_id":50982506201369,"sku":null,"price":14.55,"currency_code":"USD","in_stock":true},{"title":"47.5 cm (18 inches) \/ 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Pink","offer_id":50982506627353,"sku":null,"price":19.8,"currency_code":"USD","in_stock":true},{"title":"71.1 cm (28 inches) \/ Lime","offer_id":50982506660121,"sku":null,"price":19.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/Castle_Dawn_Aquatics_Multi_Coloured_Air_Stone_Bubble_Tube_Diffuser_2_Pack_-_Multiple_Sizes-1.jpg?v=1751358623"},{"product_id":"46-piece-aquarium-air-pump-accessory-kit-with-black-tubing-air-stones-air-line-suction-cups-connectors-and-check-valves","title":"46-piece aquarium air pump accessory kit","description":"\u003cp data-start=\"250\" data-end=\"603\"\u003eThe \u003cstrong data-start=\"254\" data-end=\"329\"\u003eCastle Dawn Aquatics 46-Piece Aquarium Airline Tubing \u0026amp; Accessories Set\u003c\/strong\u003e is the ultimate all-in-one solution for setting up or expanding your \u003cstrong data-start=\"399\" data-end=\"427\"\u003eaquarium aeration system\u003c\/strong\u003e. Whether you're managing a \u003cstrong data-start=\"455\" data-end=\"468\"\u003efish room\u003c\/strong\u003e, \u003cstrong data-start=\"470\" data-end=\"490\"\u003ebreeding project\u003c\/strong\u003e, or just want a reliable setup, this complete kit takes out the guesswork with perfectly matched components.\u003c\/p\u003e\n\u003cp data-start=\"605\" data-end=\"934\"\u003eThe included \u003cstrong data-start=\"618\" data-end=\"659\"\u003e10 m of standard black airline tubing\u003c\/strong\u003e is flexible and kink-resistant, while the \u003cstrong data-start=\"702\" data-end=\"760\"\u003eair stones, connectors, suction cups, and check valves\u003c\/strong\u003e provide everything you need to create an efficient oxygen distribution system. Designed to work with all standard 0.5 cm (4 mm ID) tubing and compatible with most air pumps.\u003c\/p\u003e\n\u003cp data-end=\"1305\" data-start=\"1268\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-end=\"1305\" data-start=\"1268\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1138\" data-start=\"868\"\u003e\n\u003cstrong data-end=\"906\" data-start=\"868\"\u003eWhat’s Included (46 Pieces Total):\u003c\/strong\u003e\u003cbr data-end=\"909\" data-start=\"906\"\u003e– 1 × 10 m black airline tubing (0.5 cm ID)\u003cbr data-end=\"955\" data-start=\"952\"\u003e– 10 × air stone cylinders (1.5 × 2.5 cm each)\u003cbr data-end=\"1004\" data-start=\"1001\"\u003e– 15 × connectors: 5 straight, 5 T-shape, 5 air flow adjusters\u003cbr data-end=\"1069\" data-start=\"1066\"\u003e– 10 × suction cups\u003cbr data-end=\"1091\" data-start=\"1088\"\u003e– 10 × check valves\u003cbr data-end=\"1113\" data-start=\"1110\"\u003e⚠️ Air pump not included.\u003c\/li\u003e\n\u003cli data-end=\"1242\" data-start=\"1140\"\u003e\n\u003cstrong data-end=\"1166\" data-start=\"1140\"\u003eComplete Aeration Kit:\u003c\/strong\u003e\u003cbr data-end=\"1169\" data-start=\"1166\"\u003eAll-in-one set designed to support small tanks or multi-aquarium systems.\u003c\/li\u003e\n\u003cli data-end=\"1370\" data-start=\"1244\"\u003e\n\u003cstrong data-end=\"1269\" data-start=\"1244\"\u003eDurable Black Tubing:\u003c\/strong\u003e\u003cbr data-end=\"1272\" data-start=\"1269\"\u003eFlexible, glossy, and kink-resistant – easy to route and blends well into darker tank backgrounds.\u003c\/li\u003e\n\u003cli data-end=\"1482\" data-start=\"1372\"\u003e\n\u003cstrong data-end=\"1401\" data-start=\"1372\"\u003eMedium Bubble Air Stones:\u003c\/strong\u003e\u003cbr data-end=\"1404\" data-start=\"1401\"\u003eEfficient and easy to run – works well even with nano or low-output air pumps.\u003c\/li\u003e\n\u003cli data-end=\"1599\" data-start=\"1484\"\u003e\n\u003cstrong data-end=\"1506\" data-start=\"1484\"\u003eCustom Air Layout:\u003c\/strong\u003e\u003cbr data-end=\"1509\" data-start=\"1506\"\u003eT-connectors, straight joins, and flow adjusters let you tailor your system to your setup.\u003c\/li\u003e\n\u003cli data-end=\"1702\" data-start=\"1601\"\u003e\n\u003cstrong data-end=\"1627\" data-start=\"1601\"\u003eReliable Check Valves:\u003c\/strong\u003e\u003cbr data-end=\"1630\" data-start=\"1627\"\u003eProtects your air pump from water backflow – a must-have safety feature.\u003c\/li\u003e\n\u003cli data-end=\"1806\" data-start=\"1704\"\u003e\n\u003cstrong data-end=\"1728\" data-start=\"1704\"\u003eSecure Suction Cups:\u003c\/strong\u003e\u003cbr data-end=\"1731\" data-start=\"1728\"\u003eSoft black suction cups hold tubing firmly in place against glass surfaces.\u003c\/li\u003e\n\u003cli data-end=\"1911\" data-start=\"1808\"\u003e\n\u003cstrong data-end=\"1829\" data-start=\"1808\"\u003eMulti-Use Design:\u003c\/strong\u003e\u003cbr data-end=\"1832\" data-start=\"1829\"\u003eIdeal for aquariums, breeding tanks, hydroponic systems, or full fish room use.\u003c\/li\u003e\n\u003cli data-end=\"2022\" data-start=\"1913\"\u003e\n\u003cstrong data-end=\"1922\" data-start=\"1913\"\u003eSize:\u003c\/strong\u003e Tubing length: 10 m (32.8 ft) – 0.5 cm inner diameter\u003cbr data-end=\"1979\" data-start=\"1976\"\u003e\u003cstrong data-end=\"1992\" data-start=\"1979\"\u003eWarranty:\u003c\/strong\u003e 1‑Year Warranty (\u003cstrong\u003e\u003ca href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\" title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":50983791100185,"sku":"SKU00147-60","price":19.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/CastleDawnAquatics46-pieceaquariumairpumpaccessorykitwithblacktubing_airstones_suctioncups_connectorsandcheckvalves.jpg?v=1751370427"},{"product_id":"15-piece-aquarium-fish-tank-air-pump-accessory-kit","title":"15-piece aquarium Fish Tank air pump accessory starter kit","description":"\u003cp data-end=\"658\" data-start=\"287\"\u003eThe Castle Dawn Aquatics 15-Piece Aquarium Air Pump Accessories Kit offers a convenient, ready-to-use solution for basic aeration setups in freshwater or saltwater aquariums. With 15 practical components—including tubing, air stones, check valves, suction cups, and connectors—this set provides everything you need to support healthy oxygen flow in your tank.\u003c\/p\u003e\n\u003cp data-end=\"999\" data-start=\"660\"\u003eThe included 13-foot (4 m) flexible tubing is crystal-clear and easy to install. Two high-efficiency air stones generate fine bubbles to boost oxygenation, while check valves prevent reverse water flow. Suction cups keep the tubing securely in place, and connectors allow you to branch off to multiple areas or devices.\u003c\/p\u003e\n\u003cp data-start=\"1268\" data-end=\"1305\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-start=\"1268\" data-end=\"1305\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1003\" data-start=\"810\"\u003e\n\u003cstrong data-end=\"848\" data-start=\"810\"\u003eWhat’s Included (15 Pieces Total):\u003c\/strong\u003e\u003cbr data-end=\"851\" data-start=\"848\"\u003e– 1 × 13 ft (4 m) clear air tube (0.5 cm ID)\u003cbr data-end=\"898\" data-start=\"895\"\u003e– 2 × air stones\u003cbr data-end=\"917\" data-start=\"914\"\u003e– 2 × check valves\u003cbr data-end=\"938\" data-start=\"935\"\u003e– 6 × suction cups\u003cbr data-end=\"959\" data-start=\"956\"\u003e– 4 × connectors\u003cbr data-end=\"978\" data-start=\"975\"\u003e⚠️ Air pump not included.\u003c\/li\u003e\n\u003cli data-end=\"1115\" data-start=\"1005\"\u003e\n\u003cstrong data-end=\"1030\" data-start=\"1005\"\u003eComplete Starter Set:\u003c\/strong\u003e\u003cbr data-end=\"1033\" data-start=\"1030\"\u003eAll-in-one kit for basic aquarium air setups – ideal for beginners or spare parts.\u003c\/li\u003e\n\u003cli data-end=\"1220\" data-start=\"1117\"\u003e\n\u003cstrong data-end=\"1142\" data-start=\"1117\"\u003eCrystal-Clear Tubing:\u003c\/strong\u003e\u003cbr data-end=\"1145\" data-start=\"1142\"\u003e4 m of flexible, transparent tubing – blends in and is easy to cut to size.\u003c\/li\u003e\n\u003cli data-end=\"1328\" data-start=\"1222\"\u003e\n\u003cstrong data-end=\"1245\" data-start=\"1222\"\u003eFine Bubble Output:\u003c\/strong\u003e\u003cbr data-end=\"1248\" data-start=\"1245\"\u003eAir stones generate small, oxygen-rich bubbles to support fish and plant health.\u003c\/li\u003e\n\u003cli data-end=\"1428\" data-start=\"1330\"\u003e\n\u003cstrong data-end=\"1356\" data-start=\"1330\"\u003eCheck Valves Included:\u003c\/strong\u003e\u003cbr data-end=\"1359\" data-start=\"1356\"\u003ePrevents water backflow into your air pump – protects your equipment.\u003c\/li\u003e\n\u003cli data-end=\"1507\" data-start=\"1430\"\u003e\n\u003cstrong data-end=\"1450\" data-start=\"1430\"\u003eEasy to Install:\u003c\/strong\u003e\u003cbr data-end=\"1453\" data-start=\"1450\"\u003eSimple plug-and-play design – no special tools needed.\u003c\/li\u003e\n\u003cli data-end=\"1597\" data-start=\"1509\"\u003e\n\u003cstrong data-end=\"1533\" data-start=\"1509\"\u003eCustomisable Layout:\u003c\/strong\u003e\u003cbr data-end=\"1536\" data-start=\"1533\"\u003eConnectors allow branching to multiple devices or tank areas.\u003c\/li\u003e\n\u003cli data-end=\"1691\" data-start=\"1599\"\u003e\n\u003cstrong data-end=\"1623\" data-start=\"1599\"\u003eStrong Suction Cups:\u003c\/strong\u003e\u003cbr data-end=\"1626\" data-start=\"1623\"\u003eKeeps tubing and accessories securely in place on glass surfaces.\u003c\/li\u003e\n\u003cli data-end=\"1799\" data-start=\"1693\"\u003e\n\u003cstrong data-end=\"1702\" data-start=\"1693\"\u003eSize:\u003c\/strong\u003e Tubing length: 4 m (13 ft) – 0.5 cm inner diameter\u003cbr data-end=\"1756\" data-start=\"1753\"\u003e\u003cstrong data-end=\"1769\" data-start=\"1756\"\u003eWarranty:\u003c\/strong\u003e 1‑Year Warranty (\u003cstrong\u003e\u003ca title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\" href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":50983832256793,"sku":"SKU00147-61","price":7.2,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/CastleDawnAquatics15-pieceaquariumairpumpaccessorykitwithtubing_airstones_suctioncups_connectorsandcheckvalves.jpg?v=1751371008"},{"product_id":"aquarium-fish-tank-nano-air-stone-fish-tank-ultra-silent-nano-bubble-stone-silent-diffuser-for-dissolved-oxygen","title":"Nano Air Disc Stone – Silent Oxygen Diffuser Y-Series","description":"\u003cp data-end=\"639\" data-start=\"269\"\u003eCastle Dawn Aquatics Nano Air Disc Stone Diffuser is designed to deliver ultra-fine, silent oxygen bubbles to your aquarium or hydroponic system. Whether you’re using the compact Y35, medium Y60, or large Y100 size, each disc is crafted to boost oxygen efficiently while creating a dazzling curtain of micro-bubbles that brings your tank to life.\u003c\/p\u003e\n\u003cp data-end=\"911\" data-start=\"641\"\u003eThis nano diffuser also helps increase oxygen, reduce CO₂, and raise pH levels in water, promoting healthier aquatic and root environments. Each model includes a suction cup mount, control valve, and 1 m of airline tubing for easy, adjustable setup.\u003c\/p\u003e\n\u003cp data-end=\"1305\" data-start=\"1268\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-end=\"1305\" data-start=\"1268\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"964\" data-end=\"1301\"\u003e\n\u003cstrong data-start=\"964\" data-end=\"984\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"984\" data-end=\"987\"\u003e– Y35: 1 × 30 mm nano air stone, 1 × control valve, 1 × suction cup, 1 m airline tubing\u003cbr data-start=\"1074\" data-end=\"1077\"\u003e– Y60: 1 × 60 mm nano air stone, 1 × control valve, 2 × suction cups, 1 m airline tubing\u003cbr data-start=\"1165\" data-end=\"1168\"\u003e– Y100: 1 × 100 mm nano air stone, 1 × control valve, 2 × suction cups, 1 m airline tubing\u003cbr data-start=\"1258\" data-end=\"1261\"\u003e⚠️ Airline tubing and pump not included.\u003c\/li\u003e\n\u003cli data-start=\"1303\" data-end=\"1442\"\u003e\n\u003cstrong data-start=\"1303\" data-end=\"1332\"\u003eUltra-Fine Micro Bubbles:\u003c\/strong\u003e\u003cbr data-start=\"1332\" data-end=\"1335\"\u003eProduces dense, cloud-like bubbles that improve oxygenation while enhancing the visual appeal of your tank.\u003c\/li\u003e\n\u003cli data-start=\"1444\" data-end=\"1561\"\u003e\n\u003cstrong data-start=\"1444\" data-end=\"1464\"\u003eCompact \u0026amp; Quiet:\u003c\/strong\u003e\u003cbr data-start=\"1464\" data-end=\"1467\"\u003eBubble output is whisper-quiet, making it ideal for living spaces, bedrooms, or desktop tanks.\u003c\/li\u003e\n\u003cli data-start=\"1563\" data-end=\"1696\"\u003e\n\u003cstrong data-start=\"1563\" data-end=\"1591\"\u003eAdjustable Flow Control:\u003c\/strong\u003e\u003cbr data-start=\"1591\" data-end=\"1594\"\u003eEach unit features an air control valve, enabling you to adjust the bubble rate to suit your setup.\u003c\/li\u003e\n\u003cli data-start=\"1698\" data-end=\"1831\"\u003e\n\u003cstrong data-start=\"1698\" data-end=\"1725\"\u003eImproves Water Quality:\u003c\/strong\u003e\u003cbr data-start=\"1725\" data-end=\"1728\"\u003eIncreases dissolved oxygen while lowering CO₂ and raising pH – great for healthy fish and plant growth.\u003c\/li\u003e\n\u003cli data-start=\"1833\" data-end=\"1953\"\u003e\n\u003cstrong data-start=\"1833\" data-end=\"1858\"\u003eSecure Suction Mount:\u003c\/strong\u003e\u003cbr data-start=\"1858\" data-end=\"1861\"\u003eMultiple suction cups are included to keep your disc stable on tank floors or vertical surfaces.\u003c\/li\u003e\n\u003cli data-start=\"1955\" data-end=\"2089\"\u003e\n\u003cstrong data-start=\"1955\" data-end=\"1984\"\u003eMultiple Sizes Available:\u003c\/strong\u003e\u003cbr data-start=\"1984\" data-end=\"1987\"\u003eChoose the size that suits your setup – from small nano tanks to larger planted or hydroponic systems.\u003c\/li\u003e\n\u003cli data-start=\"2091\" data-end=\"2265\"\u003e\n\u003cstrong data-start=\"2091\" data-end=\"2100\"\u003eSize:\u003c\/strong\u003e\u003cbr data-start=\"2100\" data-end=\"2103\"\u003e– Y35: 3 × 3 × 1 cm (H × L × W) – 1.18 × 1.18 × 0.39 inches\u003cbr data-start=\"2162\" data-end=\"2165\"\u003e– Y60: 6 × 6 × 1 cm – 2.36 × 2.36 × 0.39 inches\u003cbr data-start=\"2212\" data-end=\"2215\"\u003e– Y100: 10 × 10 × 1 cm – 3.94 × 3.94 × 0.39 inches\u003c\/li\u003e\n\u003cli data-start=\"2267\" data-end=\"2312\"\u003e\n\u003cstrong data-start=\"2267\" data-end=\"2280\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"2280\" data-end=\"2283\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\" title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli data-start=\"2314\" data-end=\"2548\"\u003e⚠️ \u003cstrong data-start=\"2317\" data-end=\"2329\"\u003eWarning:\u003c\/strong\u003e Cheap, low-quality versions made from non-aquatic safe materials are being sold on various low-cost apps like Temu. Be aware that these imitations may harm your aquatic life or degrade quickly in water.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Y35","offer_id":50984069529881,"sku":"SKU00147-65","price":9.99,"currency_code":"USD","in_stock":true},{"title":"Y60","offer_id":50984069562649,"sku":"SKU00147-66","price":11.99,"currency_code":"USD","in_stock":true},{"title":"Y100","offer_id":50984069595417,"sku":"SKU00147-67","price":14.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/Nanoairdiscstonewithsilentfinebubbleoutputforaquariumsandhydroponictanks_100mmsize.jpg?v=1751379391"},{"product_id":"castle-dawn-aquatics-rectangular-air-stone-bar-diffuser-for-air-pumps-awb-acb-series-for-aquariums-fish-tanks-dwc","title":"Rectangular Air Stone Bar Diffuser = AWB \/ ACB Series - 2 Pack","description":"\u003cp data-end=\"740\" data-start=\"264\"\u003eThe Castle Dawn Aquatics Rectangular Air Stone Bar Diffuser (AWB \/ ACB Series) is an effective and reliable way to increase oxygen levels in your aquarium, DWC system, or koi pond. Each stone bar is designed to produce two distinct bubble effects depending on air input—fine bubbles under low pressure, and medium bubbles under high pressure, forming a mesmerising rectangular curtain of bubbles that not only aerates but also enhances your aquatic display.\u003c\/p\u003e\n\u003cp data-end=\"1061\" data-start=\"742\"\u003eMade with compressed sand and a durable plastic base, these bars are safe for all aquatic life. Every unit comes with a suction cup clip for secure positioning, keeping the diffuser steady at the bottom of your tank or bucket without floating. Available in three sizes to suit various aquarium types and setups.\u003c\/p\u003e\n\u003cp data-end=\"1305\" data-start=\"1268\"\u003e\u003cstrong\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eKey Features and Important Notes:\u003c\/span\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-end=\"1330\" data-start=\"1069\"\u003e\n\u003cstrong data-end=\"1100\" data-start=\"1069\"\u003eWhat’s Included (per pack):\u003c\/strong\u003e\u003cbr data-end=\"1103\" data-start=\"1100\"\u003e– AWB-100: 2 × 10 cm air stone bars with suction cup clips\u003cbr data-end=\"1164\" data-start=\"1161\"\u003e– AWB-200: 2 × 20 cm air stone bars with suction cup clips\u003cbr data-end=\"1225\" data-start=\"1222\"\u003e– ACB-300: 2 × 30 cm air stone bars with suction cup clips\u003cbr data-end=\"1286\" data-start=\"1283\"\u003e⚠️ Air pump and airline tubing not included.\u003c\/li\u003e\n\u003cli data-end=\"1434\" data-start=\"1332\"\u003e\n\u003cstrong data-end=\"1350\" data-start=\"1332\"\u003eBubble Output:\u003c\/strong\u003e Two bubble modes – fine bubbles at low airflow, medium bubbles with higher airflow.\u003c\/li\u003e\n\u003cli data-end=\"1542\" data-start=\"1436\"\u003e\n\u003cstrong data-end=\"1454\" data-start=\"1436\"\u003eVisual Effect:\u003c\/strong\u003e Creates a rectangular bubble wall – ideal for display tanks and even oxygen dispersion.\u003c\/li\u003e\n\u003cli data-end=\"1626\" data-start=\"1544\"\u003e\n\u003cstrong data-end=\"1570\" data-start=\"1544\"\u003eAirline Compatibility:\u003c\/strong\u003e Fits standard 0.5 cm (4 mm ID) silicone airline tubing.\u003c\/li\u003e\n\u003cli data-end=\"1787\" data-start=\"1628\"\u003e\n\u003cstrong data-end=\"1672\" data-start=\"1628\"\u003eJetting Volume \u0026amp; Recommended Pump Power:\u003c\/strong\u003e\u003cbr data-end=\"1675\" data-start=\"1672\"\u003e– AWB-100: 2.5 L\/min | \u0026gt;2 W air pump\u003cbr data-end=\"1714\" data-start=\"1711\"\u003e– AWB-200: 10 L\/min | \u0026gt;4 W air pump\u003cbr data-end=\"1752\" data-start=\"1749\"\u003e– ACB-300: 17 L\/min | \u0026gt;7 W air pump\u003c\/li\u003e\n\u003cli data-end=\"1979\" data-start=\"1789\"\u003e\n\u003cstrong data-end=\"1798\" data-start=\"1789\"\u003eSize:\u003c\/strong\u003e\u003cbr data-end=\"1801\" data-start=\"1798\"\u003e– AWB-100: 3.8 × 10 × 2 cm (H × L × W) – 1.5 × 3.94 × 0.79 inches\u003cbr data-end=\"1869\" data-start=\"1866\"\u003e– AWB-200: 3.8 × 20 × 2 cm – 1.5 × 7.87 × 0.79 inches\u003cbr data-end=\"1925\" data-start=\"1922\"\u003e– ACB-300: 3.8 × 30 × 2 cm – 1.5 × 11.81 × 0.79 inches\u003c\/li\u003e\n\u003cli data-end=\"2082\" data-start=\"1981\"\u003e\n\u003cstrong data-end=\"1994\" data-start=\"1981\"\u003eMaterial:\u003c\/strong\u003e Compressed sand core with plastic base – safe for all fish, shrimp, and aquatic plants.\u003c\/li\u003e\n\u003cli data-end=\"2171\" data-start=\"2084\"\u003e\n\u003cstrong data-end=\"2097\" data-start=\"2084\"\u003eUse Case:\u003c\/strong\u003e Ideal for aquariums, fish tanks, hydroponics, DWC systems, and koi ponds.\u003c\/li\u003e\n\u003cli data-end=\"2259\" data-start=\"2173\"\u003e\n\u003cstrong data-end=\"2190\" data-start=\"2173\"\u003eInstallation:\u003c\/strong\u003e Includes suction cup clips for secure placement – prevents floating.\u003c\/li\u003e\n\u003cli data-end=\"2361\" data-start=\"2261\"\u003e\n\u003cstrong data-end=\"2277\" data-start=\"2261\"\u003eMaintenance:\u003c\/strong\u003e Soak for 1 hour before first use. Clean regularly with a brush to prevent clogging.\u003c\/li\u003e\n\u003cli data-end=\"2406\" data-start=\"2363\"\u003e\n\u003cstrong data-end=\"2376\" data-start=\"2363\"\u003eWarranty:\u003c\/strong\u003e 1‑Year Warranty (\u003cstrong\u003e\u003ca title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\" href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003c\/li\u003e\n\u003cli data-end=\"2721\" data-start=\"2408\"\u003e⚠️ \u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-end=\"2423\" data-start=\"2411\"\u003eWarning:\u003c\/strong\u003e \u003c\/span\u003eSimilar-looking low-cost air stones on platforms like Temu may be made from unverified materials that break down or clog easily. These air stones can pose serious risks to aquatic life. Castle Dawn Aquatics products are tested and verified for safety and long-term performance.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Y35","offer_id":50985965486361,"sku":"SKU00147-68","price":6.86,"currency_code":"USD","in_stock":true},{"title":"Y60","offer_id":50985965519129,"sku":"SKU00147-69","price":13.7,"currency_code":"USD","in_stock":true},{"title":"Y100","offer_id":50985965551897,"sku":"SKU00147-70","price":24.7,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/Castle_Dawn_Aquatics_Fish_Tank_Aquarium_Rectangular_air_stone_bar_diffuser_with_suction_cup_10cm_20cm_and_30cm_sizes.jpg?v=1751416674"},{"product_id":"ultra-silent-25mm-nano-air-stone-for-aquariums-creates-fine-dense-bubbles-includes-control-valve-suction-cup-ideal-for-nano-tanks-hydroponics","title":"Ultra-silent 25mm Glass nano air stone Diffuser","description":"\u003cp data-end=\"454\" data-start=\"128\"\u003eBring clarity and calm to your aquarium with the Castle Dawn Aquatics 25mm Nano Air Stone Disc — a compact, ultra-silent diffuser that produces an elegant cloud of micro-bubbles. Ideal for small aquariums and hydroponic systems, this nano stone not only looks stunning but significantly improves water oxygenation.\u003c\/p\u003e\n\u003cp data-end=\"736\" data-start=\"456\"\u003eCrafted for minimal noise, the micro-bubbles burst quietly at the surface, making it suitable for tanks placed in bedrooms, offices, or living spaces. The included control valve allows for adjustable airflow, so you can fine-tune the bubble density to suit your setup.\u003c\/p\u003e\n\u003cp data-start=\"1268\" data-end=\"1305\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-start=\"1268\" data-end=\"1305\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"853\" data-end=\"990\"\u003e\n\u003cstrong data-start=\"853\" data-end=\"873\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"873\" data-end=\"876\"\u003e1 × 25 mm nano air stone disc\u003cbr data-start=\"905\" data-end=\"908\"\u003e1 × control valve\u003cbr data-start=\"925\" data-end=\"928\"\u003e1 × suction cup\u003cbr data-start=\"943\" data-end=\"946\"\u003e⚠️ Airline tubing and air pump not included.\u003c\/li\u003e\n\u003cli data-start=\"994\" data-end=\"1105\"\u003e\n\u003cstrong data-start=\"994\" data-end=\"1014\"\u003eCompact \u0026amp; Quiet:\u003c\/strong\u003e\u003cbr data-start=\"1014\" data-end=\"1017\"\u003eProduces ultra-fine bubbles with low noise – perfect for nano tanks and peaceful spaces.\u003c\/li\u003e\n\u003cli data-start=\"1109\" data-end=\"1232\"\u003e\n\u003cstrong data-start=\"1109\" data-end=\"1135\"\u003eEfficient Oxygenation:\u003c\/strong\u003e\u003cbr data-start=\"1135\" data-end=\"1138\"\u003eImproves oxygen levels, reduces CO₂ buildup, and can help balance pH for healthy aquatic life.\u003c\/li\u003e\n\u003cli data-start=\"1236\" data-end=\"1348\"\u003e\n\u003cstrong data-start=\"1236\" data-end=\"1264\"\u003eAdjustable Flow Control:\u003c\/strong\u003e\u003cbr data-start=\"1264\" data-end=\"1267\"\u003eIncludes a control valve so you can tailor the bubble output to suit your system.\u003c\/li\u003e\n\u003cli data-start=\"1352\" data-end=\"1464\"\u003e\n\u003cstrong data-start=\"1352\" data-end=\"1372\"\u003eSecure Mounting:\u003c\/strong\u003e\u003cbr data-start=\"1372\" data-end=\"1375\"\u003eStrong suction cup holds the disc firmly in place at the bottom or side of your aquarium.\u003c\/li\u003e\n\u003cli data-start=\"1468\" data-end=\"1568\"\u003e\n\u003cstrong data-start=\"1468\" data-end=\"1486\"\u003eVersatile Use:\u003c\/strong\u003e\u003cbr data-start=\"1486\" data-end=\"1489\"\u003eIdeal for small aquariums, betta tanks, aquascapes, and hydroponic grow setups.\u003c\/li\u003e\n\u003cli data-start=\"1572\" data-end=\"1642\"\u003e\n\u003cstrong data-start=\"1572\" data-end=\"1581\"\u003eSize:\u003c\/strong\u003e\u003cbr data-start=\"1581\" data-end=\"1584\"\u003e7.5 × 3.5 × 2.5 cm (H × L × W) – 2.95 × 1.38 × 0.98 inches\u003c\/li\u003e\n\u003cli data-start=\"1646\" data-end=\"1691\"\u003e\n\u003cstrong data-start=\"1646\" data-end=\"1659\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"1659\" data-end=\"1662\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\" title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":50986310041881,"sku":"SKU00147-75","price":9.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/25mmnanoairstonediscforaquariumswithcontrolvalveandsuctioncupsilentfinebubblediffuser.jpg?v=1751421590"},{"product_id":"10cm-round-aquarium-air-stone-disc-ultra-silent-oxygen-diffuser-for-fish-tanks-hydroponics","title":"10cm Round Aquarium Air Stone Disc – Ultra Silent Diffuser","description":"\u003cp data-end=\"709\" data-start=\"364\"\u003eAdd efficient oxygenation and stunning visual effect to your setup with the Castle Dawn Aquatics 10 cm Round Air Stone Disc. Made from high-temperature sintered stone, this durable diffuser quietly releases a dense curtain of fine bubbles, increasing dissolved oxygen levels and promoting healthier aquatic life or hydroponic growth.\u003c\/p\u003e\n\u003cp data-end=\"980\" data-start=\"711\"\u003eWith a large 10 cm diameter, this disc covers more surface area for maximum gas exchange, helping to lower CO₂ and raise oxygen content. Recommended for use with a 12–14 W air pump (not included), it’s suitable for both aquariums and hydroponic systems.\u003c\/p\u003e\n\u003cp data-start=\"1268\" data-end=\"1305\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-start=\"1268\" data-end=\"1305\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"865\" data-end=\"965\"\u003e\n\u003cstrong data-start=\"865\" data-end=\"885\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"885\" data-end=\"888\"\u003e1 × 10 cm round air stone disc\u003cbr data-start=\"918\" data-end=\"921\"\u003e⚠️ Air pump and airline tubing not included.\u003c\/li\u003e\n\u003cli data-start=\"969\" data-end=\"1067\"\u003e\n\u003cstrong data-start=\"969\" data-end=\"995\"\u003eHigh-Quality Material:\u003c\/strong\u003e\u003cbr data-start=\"995\" data-end=\"998\"\u003eMade from high-temperature sintered stone, safe for all aquatic life.\u003c\/li\u003e\n\u003cli data-start=\"1071\" data-end=\"1165\"\u003e\n\u003cstrong data-start=\"1071\" data-end=\"1095\"\u003eDense Bubble Output:\u003c\/strong\u003e\u003cbr data-start=\"1095\" data-end=\"1098\"\u003eGenerates a fine mist of uniform bubbles for effective oxygenation.\u003c\/li\u003e\n\u003cli data-start=\"1169\" data-end=\"1269\"\u003e\n\u003cstrong data-start=\"1169\" data-end=\"1190\"\u003eSilent Operation:\u003c\/strong\u003e\u003cbr data-start=\"1190\" data-end=\"1193\"\u003eFunctions quietly with no internal motor – perfect for home or office tanks.\u003c\/li\u003e\n\u003cli data-start=\"1273\" data-end=\"1382\"\u003e\n\u003cstrong data-start=\"1273\" data-end=\"1298\"\u003eImproved Oxygenation:\u003c\/strong\u003e\u003cbr data-start=\"1298\" data-end=\"1301\"\u003eLarge surface coverage allows for better oxygen transfer and reduced CO₂ buildup.\u003c\/li\u003e\n\u003cli data-start=\"1386\" data-end=\"1462\"\u003e\n\u003cstrong data-start=\"1386\" data-end=\"1399\"\u003eUse Case:\u003c\/strong\u003e\u003cbr data-start=\"1399\" data-end=\"1402\"\u003eIdeal for aquariums, hydroponic systems, and breeding tanks.\u003c\/li\u003e\n\u003cli data-start=\"1466\" data-end=\"1558\"\u003e\n\u003cstrong data-start=\"1466\" data-end=\"1489\"\u003ePump Compatibility:\u003c\/strong\u003e\u003cbr data-start=\"1489\" data-end=\"1492\"\u003ePerforms best with 12–14 W air pumps for consistent bubble output.\u003c\/li\u003e\n\u003cli data-start=\"1562\" data-end=\"1662\"\u003e\n\u003cstrong data-start=\"1562\" data-end=\"1582\"\u003eMaintenance Tip:\u003c\/strong\u003e\u003cbr data-start=\"1582\" data-end=\"1585\"\u003eClean regularly with a soft brush to avoid clogging and maintain performance.\u003c\/li\u003e\n\u003cli data-start=\"1666\" data-end=\"1734\"\u003e\n\u003cstrong data-start=\"1666\" data-end=\"1675\"\u003eSize:\u003c\/strong\u003e\u003cbr data-start=\"1675\" data-end=\"1678\"\u003e10 × 10 × 1.5 cm (H × L × W) – 3.94 × 3.94 × 0.59 inches.\u003c\/li\u003e\n\u003cli data-start=\"1738\" data-end=\"1783\"\u003e\n\u003cstrong data-start=\"1738\" data-end=\"1751\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"1751\" data-end=\"1754\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\" title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":50986472014105,"sku":"SKU00147-77","price":10.98,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/10cmRoundAquariumAirStone_QuietBubbleDiffuserforFishTanks.jpg?v=1751424930"},{"product_id":"2-pack-adjustable-rotating-air-stone-discs-silent-oxygen-diffusers-for-aquariums-hydroponics","title":"Adjustable Rotating Air Stone Discs - 2-Pack","description":"\u003cp data-end=\"734\" data-start=\"398\"\u003eEnhance your aquarium’s oxygenation with the Castle Dawn Aquatics 2-Pack Adjustable Rotating Air Stone Discs. These uniquely designed rotating air stones produce uniform, dense micro-bubbles that improve water oxygen levels while staying completely silent, ideal for use in aquariums, hydroponic systems, and small ponds.\u003c\/p\u003e\n\u003cp data-end=\"966\" data-start=\"736\"\u003eEach disc features a rotary control to easily adjust bubble size and density, giving you full control over the flow. The non-toxic, durable plastic body ensures long-lasting performance and safety for all aquatic life.\u003c\/p\u003e\n\u003cp data-start=\"1268\" data-end=\"1305\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong data-start=\"1268\" data-end=\"1305\"\u003eKey Features and Important Notes:\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli data-start=\"1083\" data-end=\"1216\"\u003e\n\u003cstrong data-start=\"1083\" data-end=\"1103\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"1103\" data-end=\"1106\"\u003e2 × Rotating air stone discs\u003cbr data-start=\"1134\" data-end=\"1137\"\u003e2 × Suction cups for secure mounting\u003cbr data-start=\"1173\" data-end=\"1176\"\u003e⚠️ Airline tubing and pump not included.\u003c\/li\u003e\n\u003cli data-start=\"1220\" data-end=\"1326\"\u003e\n\u003cstrong data-start=\"1220\" data-end=\"1239\"\u003eBubble Control:\u003c\/strong\u003e\u003cbr data-start=\"1239\" data-end=\"1242\"\u003eRotary dial allows you to adjust the size and density of bubbles for custom airflow.\u003c\/li\u003e\n\u003cli data-start=\"1330\" data-end=\"1423\"\u003e\n\u003cstrong data-start=\"1330\" data-end=\"1351\"\u003eSilent Operation:\u003c\/strong\u003e\u003cbr data-start=\"1351\" data-end=\"1354\"\u003eNo internal motor – operates completely silently using your air pump.\u003c\/li\u003e\n\u003cli data-start=\"1427\" data-end=\"1554\"\u003e\n\u003cstrong data-start=\"1427\" data-end=\"1452\"\u003eImproved Oxygenation:\u003c\/strong\u003e\u003cbr data-start=\"1452\" data-end=\"1455\"\u003eProduces fine, uniform micro-bubbles to increase oxygen and circulation while reducing CO₂ buildup.\u003c\/li\u003e\n\u003cli data-start=\"1558\" data-end=\"1700\"\u003e\n\u003cstrong data-start=\"1558\" data-end=\"1587\"\u003eSafe \u0026amp; Durable Materials:\u003c\/strong\u003e\u003cbr data-start=\"1587\" data-end=\"1590\"\u003eCrafted from non-toxic, high-quality plastic for long-lasting use and safety in freshwater or saltwater tanks.\u003c\/li\u003e\n\u003cli data-start=\"1704\" data-end=\"1785\"\u003e\n\u003cstrong data-start=\"1704\" data-end=\"1724\"\u003eStable Mounting:\u003c\/strong\u003e\u003cbr data-start=\"1724\" data-end=\"1727\"\u003eComes with suction cups to hold the discs firmly in place.\u003c\/li\u003e\n\u003cli data-start=\"1789\" data-end=\"1882\"\u003e\n\u003cstrong data-start=\"1789\" data-end=\"1810\"\u003eEasy Maintenance:\u003c\/strong\u003e\u003cbr data-start=\"1810\" data-end=\"1813\"\u003eClean regularly to prevent clogging and maintain optimal performance.\u003c\/li\u003e\n\u003cli data-start=\"1886\" data-end=\"1986\"\u003e\n\u003cstrong data-start=\"1886\" data-end=\"1899\"\u003eUse Case:\u003c\/strong\u003e\u003cbr data-start=\"1899\" data-end=\"1902\"\u003ePerfect for aquariums, hydroponic systems, DWC setups, aquaculture, and small ponds.\u003c\/li\u003e\n\u003cli data-start=\"1990\" data-end=\"2066\"\u003e\n\u003cstrong data-start=\"1990\" data-end=\"1999\"\u003eSize:\u003c\/strong\u003e\u003cbr data-start=\"1999\" data-end=\"2002\"\u003eApprox. 7 × 3.5 × 2.5 cm (H × L × W) – 2.76 × 1.38 × 0.98 inches\u003c\/li\u003e\n\u003cli data-start=\"2070\" data-end=\"2115\"\u003e\n\u003cstrong data-start=\"2070\" data-end=\"2083\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"2083\" data-end=\"2086\"\u003e1‑Year Warranty (\u003cstrong\u003e\u003ca href=\"https:\/\/www.castledawnaquatics.com\/pages\/warranty-terms-conditions\" title=\"WARRANTY TERMS AND CONDITIONS - Castle Dawn Aquatics\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003eT\u0026amp;Cs apply\u003c\/span\u003e\u003c\/a\u003e\u003c\/strong\u003e).\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":50986572742937,"sku":"SKU00147-78","price":8.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/CastleDawnAquaticsAdjustablerotatingairstonedisc2-packwithsuctioncupsforaquariumsandhydroponicssilentoxygendiffuserB.jpg?v=1751426146"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/collections\/Aquarium_Air_Stones_Accessories_Castle_Dawn_Aquatics_Section.jpg?v=1753081278","url":"https:\/\/www.castledawnaquatics.com\/collections\/aquarium-air-stones-accessories.oembed","provider":"Castle Dawn Aquatics","version":"1.0","type":"link"}