{"title":"Aquarium CO2 Splitters","description":"\u003cp data-start=\"117\" data-end=\"431\" style=\"text-align: center;\"\u003e\u003cstrong data-start=\"117\" data-end=\"165\"\u003eCO2 Splitters for Multi-Tank Aquarium Setups\u003c\/strong\u003e\u003cbr data-start=\"165\" data-end=\"168\"\u003eEffortlessly supply CO2 to multiple planted aquariums using our reliable aquarium CO2 splitters. These handy components divide the flow from a single CO2 regulator into two or more lines, allowing precise CO2 distribution across multiple tanks or diffuser points.\u003c\/p\u003e\n\u003cp data-start=\"433\" data-end=\"644\" style=\"text-align: center;\"\u003eIdeal for aquarists managing more than one aquarium or using multiple diffusers in larger tanks, our CO2 splitters come in durable metal and high-precision needle valve designs to ensure control and consistency.\u003c\/p\u003e\n\u003cp data-start=\"646\" data-end=\"895\" style=\"text-align: center;\"\u003eWhether you're expanding your CO2 system or fine-tuning your layout, you’ll find easy-to-install, leak-proof splitters that simplify setup without compromising performance. Need advice? Our expert team is happy to help you choose the right solution.\u003c\/p\u003e","products":[{"product_id":"6-way-co2-distributor-splitter-regulator-check-valve","title":"CO2 Splitter – 6-Way Needle Valve with FREE Extension Rod","description":"\u003cp data-start=\"337\" data-end=\"673\"\u003eThe Castle Dawn Aquatics 6‑Way CO2 Splitter allows you to distribute CO2 from a single canister to up to six aquariums. Crafted from high‑grade stainless steel and aluminium alloy, this splitter is designed for reliability and precision. Each valve offers individual adjustment to meet the specific CO2 needs of each tank in your setup.\u003c\/p\u003e\n\u003cp data-start=\"675\" data-end=\"906\"\u003e⚠️ \u003cstrong data-start=\"678\" data-end=\"690\"\u003eWarning:\u003c\/strong\u003e Beware of cheap CO2 splitters on large e-commerce platforms. Many are not built to proper safety standards for CO2 use and can pose serious risks. \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=\"943\" data-end=\"1017\"\u003e\n\u003cstrong data-start=\"943\" data-end=\"963\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"963\" data-end=\"966\"\u003e– 1 × 6-Way CO2 Splitter\u003cbr data-start=\"990\" data-end=\"993\"\u003e– 1 × FREE Extension Rod\u003c\/li\u003e\n\u003cli data-start=\"1019\" data-end=\"1130\"\u003e\n\u003cstrong data-start=\"1019\" data-end=\"1045\"\u003eMulti-Tank Capability:\u003c\/strong\u003e\u003cbr data-start=\"1045\" data-end=\"1048\"\u003eSupplies CO2 to up to six aquariums using one regulator – no need for extra tanks.\u003c\/li\u003e\n\u003cli data-start=\"1132\" data-end=\"1249\"\u003e\n\u003cstrong data-start=\"1132\" data-end=\"1160\"\u003eIndividual Flow Control:\u003c\/strong\u003e\u003cbr data-start=\"1160\" data-end=\"1163\"\u003eEach needle valve can be independently adjusted for precise CO2 delivery per aquarium.\u003c\/li\u003e\n\u003cli data-start=\"1251\" data-end=\"1363\"\u003e\n\u003cstrong data-start=\"1251\" data-end=\"1275\"\u003eAquarium-Safe Build:\u003c\/strong\u003e\u003cbr data-start=\"1275\" data-end=\"1278\"\u003eMade from durable stainless steel and aluminium alloy to withstand long-term CO2 use.\u003c\/li\u003e\n\u003cli data-start=\"1365\" data-end=\"1464\"\u003e\n\u003cstrong data-start=\"1365\" data-end=\"1389\"\u003eStandard Tubing Fit:\u003c\/strong\u003e\u003cbr data-start=\"1389\" data-end=\"1392\"\u003eCompatible with 4–6 mm CO2 tubing for easy integration with most setups.\u003c\/li\u003e\n\u003cli data-start=\"1466\" data-end=\"1511\"\u003e\n\u003cstrong data-start=\"1466\" data-end=\"1479\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"1479\" data-end=\"1482\"\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":"Default Title","offer_id":29536010633286,"sku":"000028","price":47.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/products\/6-way-co2-distributor-splitter-regulator-check-valve-castle-dawn-aquatics-972634.jpg?v=1623340827"},{"product_id":"3-way-co2-distributor-splitter-regulator-check-valve","title":"CO2 Splitter – 3-Way Needle Valve with FREE Extension Rod","description":"\u003cp data-end=\"671\" data-start=\"307\"\u003eEasily distribute CO2 from one cylinder to up to three aquariums using the Castle Dawn Aquatics 3‑Way CO2 Splitter. Made from durable stainless steel and aluminium alloy, each needle valve allows precise control over individual CO2 flow rates. This professional-grade splitter is built to withstand high-pressure use and is suitable for all standard 4–6 mm tubing.\u003c\/p\u003e\n\u003cp data-end=\"895\" data-start=\"673\"\u003e⚠️ \u003cstrong data-end=\"688\" data-start=\"676\"\u003eWarning:\u003c\/strong\u003e Cheap CO2 splitters sold on large online marketplaces may not meet safety standards. Poorly manufactured units can pose serious risks. Read our blog to learn how to identify safe, aquarium-grade components.\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-end=\"1006\" data-start=\"932\"\u003e\n\u003cstrong data-end=\"952\" data-start=\"932\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-end=\"955\" data-start=\"952\"\u003e– 1 × 3-Way CO2 Splitter\u003cbr data-end=\"982\" data-start=\"979\"\u003e– 1 × FREE Extension Rod\u003c\/li\u003e\n\u003cli data-end=\"1130\" data-start=\"1008\"\u003e\n\u003cstrong data-end=\"1034\" data-start=\"1008\"\u003eMultiple Aquarium Use:\u003c\/strong\u003e\u003cbr data-end=\"1037\" data-start=\"1034\"\u003eInject CO2 into up to three aquariums using a single CO2 tank – no need for extra regulators.\u003c\/li\u003e\n\u003cli data-end=\"1241\" data-start=\"1132\"\u003e\n\u003cstrong data-end=\"1154\" data-start=\"1132\"\u003ePrecision Control:\u003c\/strong\u003e\u003cbr data-end=\"1157\" data-start=\"1154\"\u003eEach needle valve can be finely adjusted to meet each tank’s CO2 needs individually.\u003c\/li\u003e\n\u003cli data-end=\"1364\" data-start=\"1243\"\u003e\n\u003cstrong data-end=\"1264\" data-start=\"1243\"\u003eRobust Materials:\u003c\/strong\u003e\u003cbr data-end=\"1267\" data-start=\"1264\"\u003eMade from stainless steel and aluminium alloy for strength, durability, and corrosion resistance.\u003c\/li\u003e\n\u003cli data-end=\"1470\" data-start=\"1366\"\u003e\n\u003cstrong data-end=\"1400\" data-start=\"1366\"\u003eStandard Tubing Compatibility:\u003c\/strong\u003e\u003cbr data-end=\"1403\" data-start=\"1400\"\u003eFits standard 4–6 mm CO2 tubing, suitable for most aquarium setups.\u003c\/li\u003e\n\u003cli data-end=\"1517\" data-start=\"1472\"\u003e\n\u003cstrong data-end=\"1485\" data-start=\"1472\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-end=\"1488\" data-start=\"1485\"\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":29536209633350,"sku":"000028A","price":39.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/products\/3-way-co2-distributor-splitter-regulator-check-valve-castle-dawn-aquatics-567331.jpg?v=1623340836"},{"product_id":"co2-splitter-2-way-needle-valve-with-free-extension-rod-planted-aquarium-fish-tank","title":"CO2 Splitter – 2-Way Needle Valve with FREE Extension Rod","description":"\u003cp data-start=\"307\" data-end=\"671\"\u003eEasily distribute CO2 from one cylinder to up to two aquariums using the Castle Dawn Aquatics 2‑Way CO2 Splitter. Made from durable stainless steel and aluminium alloy, each needle valve allows precise control over individual CO2 flow rates. This professional-grade splitter is built to withstand high-pressure use and is suitable for all standard 4–6 mm tubing.\u003c\/p\u003e\n\u003cp data-start=\"673\" data-end=\"895\"\u003e⚠️ \u003cstrong data-start=\"676\" data-end=\"688\"\u003eWarning:\u003c\/strong\u003e Cheap CO2 splitters sold on large online marketplaces may not meet safety standards. Poorly manufactured units can pose serious risks.\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=\"932\" data-end=\"1006\"\u003e\n\u003cstrong data-start=\"932\" data-end=\"952\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"952\" data-end=\"955\"\u003e– 1 × 2-Way CO2 Splitter\u003cbr data-start=\"979\" data-end=\"982\"\u003e– 1 × FREE Extension Rod\u003c\/li\u003e\n\u003cli data-start=\"1008\" data-end=\"1130\"\u003e\n\u003cstrong data-start=\"1008\" data-end=\"1034\"\u003eMultiple Aquarium Use:\u003c\/strong\u003e\u003cbr data-start=\"1034\" data-end=\"1037\"\u003eInject CO2 into up to three aquariums using a single CO2 tank – no need for extra regulators.\u003c\/li\u003e\n\u003cli data-start=\"1132\" data-end=\"1241\"\u003e\n\u003cstrong data-start=\"1132\" data-end=\"1154\"\u003ePrecision Control:\u003c\/strong\u003e\u003cbr data-start=\"1154\" data-end=\"1157\"\u003eEach needle valve can be finely adjusted to meet each tank’s CO2 needs individually.\u003c\/li\u003e\n\u003cli data-start=\"1243\" data-end=\"1364\"\u003e\n\u003cstrong data-start=\"1243\" data-end=\"1264\"\u003eRobust Materials:\u003c\/strong\u003e\u003cbr data-start=\"1264\" data-end=\"1267\"\u003eMade from stainless steel and aluminium alloy for strength, durability, and corrosion resistance.\u003c\/li\u003e\n\u003cli data-start=\"1366\" data-end=\"1470\"\u003e\n\u003cstrong data-start=\"1366\" data-end=\"1400\"\u003eStandard Tubing Compatibility:\u003c\/strong\u003e\u003cbr data-start=\"1400\" data-end=\"1403\"\u003eFits standard 4–6 mm CO2 tubing, suitable for most aquarium setups.\u003c\/li\u003e\n\u003cli data-start=\"1472\" data-end=\"1517\"\u003e\n\u003cstrong data-start=\"1472\" data-end=\"1485\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"1485\" data-end=\"1488\"\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":"Default Title","offer_id":51082921672985,"sku":"000028F-1","price":37.9,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/Castle_Dawn_Aquatics_2_way_CO2_splitter_with_extension_rod_and_adjustable_needle_valves_Main.jpg?v=1753271074"},{"product_id":"co2-splitter-4-way-needle-valve-with-free-extension-rod-planted-aquariums","title":"CO2 Splitter – 4-Way Needle Valve with FREE Extension Rod","description":"\u003cp data-start=\"307\" data-end=\"671\"\u003eEasily distribute CO2 from one cylinder to up to four aquariums using the Castle Dawn Aquatics 4‑Way CO2 Splitter. Made from durable stainless steel and aluminium alloy, each needle valve allows precise control over individual CO2 flow rates. This professional-grade splitter is built to withstand high-pressure use and is suitable for all standard 4–6 mm tubing.\u003c\/p\u003e\n\u003cp data-start=\"673\" data-end=\"895\"\u003e⚠️ \u003cstrong data-start=\"676\" data-end=\"688\"\u003eWarning:\u003c\/strong\u003e Cheap CO2 splitters sold on large online marketplaces may not meet safety standards. Poorly manufactured units can pose serious risks.\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=\"932\" data-end=\"1006\"\u003e\n\u003cstrong data-start=\"932\" data-end=\"952\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-start=\"952\" data-end=\"955\"\u003e– 1 × 4-Way CO2 Splitter\u003cbr data-start=\"979\" data-end=\"982\"\u003e– 1 × FREE Extension Rod\u003c\/li\u003e\n\u003cli data-start=\"1008\" data-end=\"1130\"\u003e\n\u003cstrong data-start=\"1008\" data-end=\"1034\"\u003eMultiple Aquarium Use:\u003c\/strong\u003e\u003cbr data-start=\"1034\" data-end=\"1037\"\u003eInject CO2 into up to three aquariums using a single CO2 tank – no need for extra regulators.\u003c\/li\u003e\n\u003cli data-start=\"1132\" data-end=\"1241\"\u003e\n\u003cstrong data-start=\"1132\" data-end=\"1154\"\u003ePrecision Control:\u003c\/strong\u003e\u003cbr data-start=\"1154\" data-end=\"1157\"\u003eEach needle valve can be finely adjusted to meet each tank’s CO2 needs individually.\u003c\/li\u003e\n\u003cli data-start=\"1243\" data-end=\"1364\"\u003e\n\u003cstrong data-start=\"1243\" data-end=\"1264\"\u003eRobust Materials:\u003c\/strong\u003e\u003cbr data-start=\"1264\" data-end=\"1267\"\u003eMade from stainless steel and aluminium alloy for strength, durability, and corrosion resistance.\u003c\/li\u003e\n\u003cli data-start=\"1366\" data-end=\"1470\"\u003e\n\u003cstrong data-start=\"1366\" data-end=\"1400\"\u003eStandard Tubing Compatibility:\u003c\/strong\u003e\u003cbr data-start=\"1400\" data-end=\"1403\"\u003eFits standard 4–6 mm CO2 tubing, suitable for most aquarium setups.\u003c\/li\u003e\n\u003cli data-start=\"1472\" data-end=\"1517\"\u003e\n\u003cstrong data-start=\"1472\" data-end=\"1485\"\u003eWarranty:\u003c\/strong\u003e\u003cbr data-start=\"1485\" data-end=\"1488\"\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":"Default Title","offer_id":51077981995289,"sku":"000028G","price":32.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/Castle_Dawn_Aquatics_4_way_CO2_splitter_with_extension_rod_and_adjustable_needle_valves_C.jpg?v=1753271611"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/collections\/Aquarium_CO2_Splitters_Section.jpg?v=1753313083","url":"https:\/\/www.castledawnaquatics.com\/collections\/aquarium-co2-splitters.oembed","provider":"Castle Dawn Aquatics","version":"1.0","type":"link"}