{"product_id":"d-d-membrane","title":"D-D RO Membrane 50 75 GPD Reverse Osmosis Carbon Sediment Filter Kit","description":"\u003ch2\u003eD-D Reverse Osmosis Membranes \u0026amp; Replacement Filter Kits – 50 GPD \u0026amp; 75 GPD\u003c\/h2\u003e\r\n\r\n\u003cp\u003eKeep your reverse osmosis filtration system performing efficiently with the \u003cstrong\u003eD-D RO Membrane \u0026amp; Replacement Filter Range\u003c\/strong\u003e, designed for compatible aquarium reverse osmosis water purification systems.\u003c\/p\u003e\r\n\r\n\u003cp\u003eWhether you need to replace your existing RO membrane or carry out a more complete filtration service, this listing provides a convenient choice of \u003cstrong\u003eindividual 50 GPD and 75 GPD membranes or complete three-piece replacement filter kits\u003c\/strong\u003e.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe complete kits combine a D-D reverse osmosis membrane with a 10\" carbon block cartridge and a 10\" sediment pre-filter, providing essential filtration components for maintaining purified aquarium water production.\u003c\/p\u003e\r\n\r\n\u003cp\u003eIdeal for freshwater, marine and reef aquarium water preparation, these replacement filtration components help reduce dissolved solids, sediment, chlorine and selected impurities from incoming tap water.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eKey Features:\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMembranes Available Individually\u003c\/strong\u003e – Purchase a 50 GPD or 75 GPD RO membrane on its own\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eComplete Replacement Kits Available\u003c\/strong\u003e – Choose a membrane with carbon and sediment filter cartridges\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eFour Purchasing Options\u003c\/strong\u003e – Select the replacement components that suit your requirements\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eThin Film Composite Membranes\u003c\/strong\u003e – Designed to reduce dissolved solids and unwanted impurities\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCarbon Block Filtration\u003c\/strong\u003e – Helps reduce chlorine and selected chemical contaminants\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eSediment Pre-Filtration\u003c\/strong\u003e – Helps capture sand, silt, dirt and rust particles\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eSupports Aquarium Water Quality\u003c\/strong\u003e – Ideal for preparing purified freshwater and marine aquarium water\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCompatible RO Systems\u003c\/strong\u003e – Designed for suitable D-D and other compatible reverse osmosis units\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eConvenient Maintenance Options\u003c\/strong\u003e – Replace only your membrane or renew all three filtration stages together\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eAvailable Options:\u003c\/h3\u003e\r\n\r\n\u003ch4\u003eOption 1 – D-D 50 GPD RO Membrane Only\u003c\/h4\u003e\r\n\r\n\u003cp\u003eIdeal for customers who only need to replace their existing reverse osmosis membrane.\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e1 x D-D 50 GPD Reverse Osmosis Membrane\u003c\/li\u003e\r\n\u003cli\u003eThin Film Composite (TFC) membrane technology\u003c\/li\u003e\r\n\u003cli\u003eRated output of approximately 189 litres per day under specified operating conditions\u003c\/li\u003e\r\n\u003cli\u003eSuitable for compatible 50 GPD RO systems\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e This option includes the membrane only. Carbon and sediment cartridges are not included.\u003c\/p\u003e\r\n\r\n\u003ch4\u003eOption 2 – D-D 75 GPD RO Membrane Only\u003c\/h4\u003e\r\n\r\n\u003cp\u003eA higher-capacity replacement membrane suitable for compatible 75 GPD reverse osmosis systems.\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e1 x D-D 75 GPD Reverse Osmosis Membrane\u003c\/li\u003e\r\n\u003cli\u003eThin Film Composite (TFC) membrane technology\u003c\/li\u003e\r\n\u003cli\u003eRated output of approximately 284 litres per day under specified operating conditions\u003c\/li\u003e\r\n\u003cli\u003eSuitable for compatible 75 GPD RO systems\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e This option includes the membrane only. Carbon and sediment cartridges are not included.\u003c\/p\u003e\r\n\r\n\u003ch4\u003eOption 3 – D-D 50 GPD Complete Replacement Filter Kit\u003c\/h4\u003e\r\n\r\n\u003cp\u003eA convenient three-piece replacement filtration set for compatible 50 GPD reverse osmosis systems.\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e1 x D-D 50 GPD Reverse Osmosis Membrane\u003c\/li\u003e\r\n\u003cli\u003e1 x 10\" Solid Carbon Block Filter Cartridge\u003c\/li\u003e\r\n\u003cli\u003e1 x 10\" Sediment Pre-Filter Cartridge\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eTotal: 3 Replacement Filtration Components\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003ch4\u003eOption 4 – D-D 75 GPD Complete Replacement Filter Kit\u003c\/h4\u003e\r\n\r\n\u003cp\u003eA convenient three-piece replacement filtration set for compatible 75 GPD reverse osmosis systems.\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e1 x D-D 75 GPD Reverse Osmosis Membrane\u003c\/li\u003e\r\n\u003cli\u003e1 x 10\" Solid Carbon Block Filter Cartridge\u003c\/li\u003e\r\n\u003cli\u003e1 x 10\" Sediment Pre-Filter Cartridge\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eTotal: 3 Replacement Filtration Components\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003ch3\u003eD-D Reverse Osmosis Membranes\u003c\/h3\u003e\r\n\r\n\u003cp\u003eThe \u003cstrong\u003eD-D 50 GPD and 75 GPD RO Membranes\u003c\/strong\u003e use Thin Film Composite (TFC) technology to help reduce dissolved solids, minerals and other unwanted impurities from incoming tap water.\u003c\/p\u003e\r\n\r\n\u003cp\u003eAs water passes through the semi-permeable membrane under pressure, purified water is separated from concentrated waste water, helping produce high-quality RO water for aquarium preparation.\u003c\/p\u003e\r\n\r\n\u003cp\u003eBoth membrane capacities are available individually or as part of a complete replacement filter kit.\u003c\/p\u003e\r\n\r\n\u003ch3\u003e10\" Sediment Pre-Filter Cartridge\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eIncluded with Complete Filter Kit Options Only\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe sediment pre-filter provides the first stage of filtration by capturing suspended particles before they reach the carbon cartridge and RO membrane.\u003c\/p\u003e\r\n\r\n\u003cp\u003eIt helps remove:\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eSand\u003c\/li\u003e\r\n\u003cli\u003eSilt\u003c\/li\u003e\r\n\u003cli\u003eDirt\u003c\/li\u003e\r\n\u003cli\u003eRust particles\u003c\/li\u003e\r\n\u003cli\u003eOther suspended debris\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eBy removing physical debris, the sediment filter helps protect downstream filtration components and prolong the working life of the carbon cartridge.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eStated Cartridge Life:\u003c\/strong\u003e Approximately 8,000–10,000 gallons, depending on water quality and usage.\u003c\/p\u003e\r\n\r\n\u003ch3\u003e10\" Solid Carbon Block Filter Cartridge\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eIncluded with Complete Filter Kit Options Only\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe solid carbon block cartridge provides chemical filtration to help reduce chlorine and selected impurities from incoming tap water.\u003c\/p\u003e\r\n\r\n\u003cp\u003eCarbon filtration is particularly important for protecting Thin Film Composite RO membranes from chlorine exposure.\u003c\/p\u003e\r\n\r\n\u003cp\u003eThe cartridge helps reduce:\u003c\/p\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003eChlorine\u003c\/li\u003e\r\n\u003cli\u003eChloramine, depending on cartridge specification and contact time\u003c\/li\u003e\r\n\u003cli\u003eSelected pesticides\u003c\/li\u003e\r\n\u003cli\u003eSelected insecticides\u003c\/li\u003e\r\n\u003cli\u003eCertain organic chemical impurities\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eThis is a \u003cstrong\u003esolid carbon block cartridge\u003c\/strong\u003e, rather than a loose granular activated carbon filter.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eStated Cartridge Life:\u003c\/strong\u003e Minimum 2,500 gallons under suitable operating conditions.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eHow the Complete Filter Kit Works\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eStage 1 – Sediment Filtration:\u003c\/strong\u003e Helps remove suspended particles such as dirt, sand, silt and rust.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eStage 2 – Carbon Block Filtration:\u003c\/strong\u003e Helps reduce chlorine and selected chemical impurities while protecting the RO membrane.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eStage 3 – Reverse Osmosis Membrane:\u003c\/strong\u003e Helps reduce dissolved solids and minerals to produce purified water suitable for aquarium preparation.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eIdeal for Aquarium Water Preparation\u003c\/h3\u003e\r\n\r\n\u003cp\u003eReverse osmosis filtration is widely used by aquarium keepers who require greater control over the mineral content and quality of their water.\u003c\/p\u003e\r\n\r\n\u003cp\u003ePurified RO water can be appropriately remineralised for freshwater aquariums or mixed with suitable marine salt for marine and reef aquarium systems.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eMaintenance \u0026amp; Replacement:\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eSediment Cartridge:\u003c\/strong\u003e Stated capacity of approximately 8,000–10,000 gallons\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eCarbon Block Cartridge:\u003c\/strong\u003e Stated minimum capacity of 2,500 gallons\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eRO Membrane:\u003c\/strong\u003e Typical lifespan of approximately 2 years, depending on water quality and maintenance\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003cp\u003eSediment and carbon cartridges are commonly replaced approximately every six months, or sooner depending on incoming water quality and usage.\u003c\/p\u003e\r\n\r\n\u003cp\u003eRegularly monitor purified water quality using a suitable TDS meter to assess membrane performance.\u003c\/p\u003e\r\n\r\n\u003ch3\u003eSpecifications:\u003c\/h3\u003e\r\n\r\n\u003cul\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMembrane Brand:\u003c\/strong\u003e D-D\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e RO Membranes \u0026amp; Replacement Filter Kits\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMembrane Options:\u003c\/strong\u003e 50 GPD \u0026amp; 75 GPD\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eMembrane Technology:\u003c\/strong\u003e Thin Film Composite (TFC)\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003ePre-Filter Size:\u003c\/strong\u003e Standard 10\"\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003ePre-Filter Types:\u003c\/strong\u003e Sediment \u0026amp; Solid Carbon Block\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eAvailable Configurations:\u003c\/strong\u003e Membrane Only or Complete 3-Piece Kit\u003c\/li\u003e\r\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Aquarium Reverse Osmosis Water Purification\u003c\/li\u003e\r\n\u003c\/ul\u003e\r\n\r\n\u003ch3\u003eImportant Information:\u003c\/h3\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003ePLEASE SELECT YOUR REQUIRED OPTION BEFORE ORDERING.\u003c\/strong\u003e\u003c\/p\u003e\r\n\r\n\u003cp\u003eThis listing offers four variations: 50 GPD Membrane Only, 75 GPD Membrane Only, 50 GPD Complete Kit and 75 GPD Complete Kit.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eMembrane Only Options:\u003c\/strong\u003e You will receive one membrane in your selected GPD rating. Carbon and sediment cartridges are not included.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eComplete Kit Options:\u003c\/strong\u003e You will receive one membrane in your selected GPD rating, one 10\" carbon block cartridge and one 10\" sediment cartridge.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003eBrand \u0026amp; Packaging:\u003c\/strong\u003e The manufacturer, appearance and packaging of the carbon and sediment cartridges may vary depending on stock availability. The supplied cartridges are sourced for compatible RO filtration systems.\u003c\/p\u003e\r\n\r\n\u003cp\u003eAlways check your existing membrane housing, cartridge dimensions and flow restrictor before ordering. A correctly matched flow restrictor is required for the selected membrane capacity.\u003c\/p\u003e\r\n\r\n\u003cp\u003eActual water production depends on incoming water pressure, temperature, water quality and operating conditions.\u003c\/p\u003e\r\n\r\n\u003cp\u003e\u003cstrong\u003ePlease Note:\u003c\/strong\u003e The complete reverse osmosis unit, filter housings, pipework and flow restrictor are not included with any option.\u003c\/p\u003e\r\n\r\n\u003cp\u003eMaintain effective aquarium water purification with the \u003cstrong\u003eD-D RO Membrane \u0026amp; Replacement Filter Range\u003c\/strong\u003e, offering convenient individual membranes and complete filtration kits for compatible 50 GPD and 75 GPD reverse osmosis systems.\u003c\/p\u003e","brand":"Aquacadabra","offers":[{"title":"D-D 50GPD Membrane","offer_id":58828457378175,"sku":"1035286","price":19.99,"currency_code":"GBP","in_stock":true},{"title":"D-D 75GPD Memprane","offer_id":58828457410943,"sku":"1035287","price":23.99,"currency_code":"GBP","in_stock":true},{"title":"D-D 50GPD Membrane + Cabron Sediment Bundle","offer_id":58828457443711,"sku":"1035288","price":29.99,"currency_code":"GBP","in_stock":true},{"title":"D-D 75GPD Membrane + Cabron Sediment Bundle","offer_id":58828457476479,"sku":"1035289","price":33.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0015\/7374\/8802\/files\/chatgpt-image-oct-16-2026-031436-pm.png?v=1792161289","url":"https:\/\/aquacadabra.com\/products\/d-d-membrane","provider":"Aquacadabra","version":"1.0","type":"link"}