{"title":"Aquarium RO (Reverse Osmosis) Units","description":"\u003cp data-start=\"186\" data-end=\"610\"\u003eReverse Osmosis (RO) systems are essential for fishkeepers looking to achieve precise water conditions, especially in areas with hard tap water. These systems remove up to 97–99.5% of impurities, including minerals responsible for water hardness, chlorine, and other harmful substances. The result is soft, clean water ideal for sensitive aquatic plants, shrimp, and fish species.\u003c\/p\u003e\n\u003cp data-start=\"612\" data-end=\"997\"\u003eOur collection features a range of high-quality RO systems designed specifically for aquarium use, with options for small tanks to large-scale setups. Choose from models offering daily outputs of 190L, 380L, 760L, and powerful dual-membrane versions capable of 1540L and 3000L per day. Whether you have a nano tank or a planted aquascape, we have the right capacity to meet your needs.\u003c\/p\u003e\n\u003cp data-start=\"999\" data-end=\"1314\"\u003eAll systems are easy to install and cost-efficient to run. Routine maintenance, such as replacing pre-filters every 6 months and membranes every 3–4 years, keeps your RO unit working at peak performance. Units come complete with 5-micron sediment filters, activated carbon blocks, membranes, tubing, and connectors.\u003c\/p\u003e\n\u003cp data-start=\"1316\" data-end=\"1593\"\u003eRO filtration is especially effective in promoting vibrant plant growth and reducing algae by creating a more stable, plant-friendly environment. In hard water areas, RO units allow you to precisely adjust general hardness (GH) to ideal levels between 4–6 GH for planted tanks.\u003c\/p\u003e\n\u003cp data-start=\"1316\" data-end=\"1593\" style=\"text-align: center;\"\u003e\u003cspan style=\"color: rgb(255, 42, 0);\"\u003e\u003cstrong\u003eMORE COMING SOON\u003c\/strong\u003e\u003c\/span\u003e\u003c\/p\u003e","products":[{"product_id":"aquarium-ro-chlorine-removal-water-purifier-filter-aquarium-fish-tank","title":"Aquarium RO Chlorine \u0026 Heavy Metal Remover – Tap Quick Connect + Replaceable Cartridge","description":"\u003cp data-end=\"619\" data-start=\"201\"\u003eEasily connect this chlorine and heavy metal remover to almost any tap with the included multi-size adaptors.\u003c\/p\u003e\n\u003cp data-end=\"619\" data-start=\"201\"\u003eDesigned for aquarium use, it features a 5-micron filtration pore size to remove harmful substances like chlorine, heavy metals, and odours. Ideal for hobbyists who need a quick solution to pre-filter water before entering their aquarium or RO system. Includes a replaceable cartridge lasting up to 3 months.\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=\"848\" data-start=\"656\"\u003e\n\u003cstrong data-end=\"676\" data-start=\"656\"\u003eWhat’s Included:\u003c\/strong\u003e\u003cbr data-end=\"679\" data-start=\"676\"\u003e– 1 x Filter housing with pre-installed cartridge\u003cbr data-end=\"731\" data-start=\"728\"\u003e– Multiple tap connector adaptors\u003cbr data-end=\"767\" data-start=\"764\"\u003e⚠️ Comes with 2 replacement cartridges, total 6 months of use.\u003c\/li\u003e\n\u003cli data-end=\"902\" data-start=\"850\"\u003e\n\u003cstrong data-end=\"859\" data-start=\"850\"\u003eSize:\u003c\/strong\u003e\u003cbr data-end=\"862\" data-start=\"859\"\u003e15 × 5.5 cm (L × W) – 5.91 × 2.17 inches\u003c\/li\u003e\n\u003cli data-end=\"1006\" data-start=\"904\"\u003e\n\u003cstrong data-end=\"929\" data-start=\"904\"\u003eQuick Tap Connection:\u003c\/strong\u003e\u003cbr data-end=\"932\" data-start=\"929\"\u003eAttaches directly to most standard household taps using included adaptors.\u003c\/li\u003e\n\u003cli data-end=\"1096\" data-start=\"1008\"\u003e\n\u003cstrong data-end=\"1035\" data-start=\"1008\"\u003eFiltration Performance:\u003c\/strong\u003e\u003cbr data-end=\"1038\" data-start=\"1035\"\u003e5-micron rating removes chlorine, odour, and heavy metals.\u003c\/li\u003e\n\u003cli data-end=\"1144\" data-start=\"1098\"\u003e\n\u003cstrong data-end=\"1115\" data-start=\"1098\"\u003eWater Output:\u003c\/strong\u003e\u003cbr data-end=\"1118\" data-start=\"1115\"\u003eUp to 4 litres per minute.\u003c\/li\u003e\n\u003cli data-end=\"1231\" data-start=\"1146\"\u003e\n\u003cstrong data-end=\"1171\" data-start=\"1146\"\u003eOperating Conditions:\u003c\/strong\u003e\u003cbr data-end=\"1174\" data-start=\"1171\"\u003eWater temperature: 0–60 °C\u003cbr data-end=\"1203\" data-start=\"1200\"\u003eWorking pressure: 20–125 psi\u003c\/li\u003e\n\u003cli data-end=\"1336\" data-start=\"1233\"\u003e\n\u003cstrong data-end=\"1252\" data-start=\"1233\"\u003eCartridge Life:\u003c\/strong\u003e\u003cbr data-end=\"1255\" data-start=\"1252\"\u003eLasts approximately 3 months before replacement is needed (based on average use).\u003c\/li\u003e\n\u003cli data-end=\"1431\" data-start=\"1338\"\u003e\n\u003cstrong data-end=\"1356\" data-start=\"1338\"\u003eSoftens Water:\u003c\/strong\u003e\u003cbr data-end=\"1359\" data-start=\"1356\"\u003eHelps reduce water hardness, making it safer for sensitive fish species.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Castle Dawn Aquatics","offers":[{"title":"Default Title","offer_id":51096837456153,"sku":"SKU00155-LJ","price":29.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/files\/AquariumROChlorine_HeavyMetalRemover_TapQuickConnect_ReplaceableCartridgeCastleDawnAquaticsD.jpg?v=1753671946"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0036\/7679\/9046\/collections\/Castle_Dawn_Aquatics_Fish_Tank_Aquarium_RO_Section.jpg?v=1753674479","url":"https:\/\/www.castledawnaquatics.com\/collections\/aquarium-ro-reverse-osmosis-units.oembed","provider":"Castle Dawn Aquatics","version":"1.0","type":"link"}