{"title":"Water Filters","description":"\u003ch1\u003e3\nStage Aquarium RO Filters\u003c\/h1\u003e\u003cp\u003eExplore our selection of 3-Stage Aquarium RO Filters, designed to seamlessly integrate with various \u003ca href=\"\/collections\/reverse-osmosis-aquarium-systems\"\u003eAquarium Reverse Osmosis Systems\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eVital for sustaining a thriving aquatic environment, these filters play a pivotal role in aligning water parameters with the specific needs of your fish. They remove impurities using sediment, carbon, and membrane filtration to provide a healthy habitat.\u003c\/p\u003e\n\u003cp\u003eAt Finerfilters, we provide worldwide delivery, ensuring access to top-notch filtration products that deliver clean, safe water for your aquarium.\u003c\/p\u003e\n\u003ch2\u003eAquarium Reverse Osmosis Filter Replacements Available\u003c\/h2\u003e\n\u003cp\u003eEnsuring a continuous supply of high-quality water for your aquarium requires investing in a new replacement filter for your \u003ca href=\"\/collections\/reverse-osmosis-aquarium-systems\"\u003eRO Aquarium system\u003c\/a\u003e.\u003c\/p\u003e\n\u003cp\u003eRegularly replacing these filters, usually every 6 months for the pre\/post filters and 18-24 months for the membrane, is crucial to uphold the efficiency and optimal performance of your \u003ca href=\"\/collections\/reverse-osmosis\"\u003eRO filtration system\u003c\/a\u003e, contributing to the well-being of your aquatic environment.\u003c\/p\u003e\n\u003cp\u003eAside from the 3-stage filters, our range includes:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/collections\/aquatic-reverse-osmosis-replacement-water-filters\"\u003e4-Stage Aquarium Reverse Osmosis Filters\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e4040 Aquarium Reverse Osmosis Filters\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIf you need any additional information on how to choose the perfect filter for your aquarium, please feel free to \u003ca href=\"\/pages\/contact\"\u003eget in touch\u003c\/a\u003e with our helpful team.\u003c\/p\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003ch3\u003e\u003cstrong\u003eWhat impurities do the three stages of filtration target in a 3-Stage Aquarium RO Filter?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe three stages remove sediment, chlorine, contaminants, minerals, and various dissolved solids, ensuring cleaner and healthier water for aquatic life in the aquarium.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow can I prolong the lifespan of my filters? \u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eHaving optimal water pressure (80-100PSI) and optimal water temperature (25°C) will prolong the lifespan of your filters, increase efficiency (resulting in lower TDS from the membrane) and increase water flow.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eHow difficult is installing a 3-Stage Aquarium RO Filter system?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eInstallation is straightforward and user-friendly, requiring minimal technical expertise. However, consulting the system manual or seeking professional assistance may benefit the optimal setup.\u003c\/p\u003e","products":[{"product_id":"3-stage-compact-reverse-osmosis-replacement-water-filters-for-aquarium-ro-units","title":"3 Stage Compact RO Replacement Water Filters For Aquarium Reverse Osmosis Units","description":"\u003cp\u003e\u003cstrong\u003eFinerfilters 3 Stage Compact Aquarium Reverse Osmosis Replacement Water Filters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFilter Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePP Sediment Pre-Filter\u003c\/p\u003e\n\u003cp\u003eRemoves impurities in water such as sand, dirt, rust, silt, and suspended solids down to 5 Micron in order to protect the RO membrane.\u003c\/p\u003e\n\u003cp\u003eT33 Activated Carbon Post-Filter\u003c\/p\u003e\n\u003cp\u003eRemoves any residual impurities and \"polishes\" the water.\u003c\/p\u003e\n\u003cp\u003eRO Membrane\u003c\/p\u003e\n\u003cp\u003eThe semi-permeable membrane removes impurities in water down to 0.0001 Micron including (but not limited to); bacteria, viruses, heavy metals, hormones, PFAs, etc.\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMembrane Surface Area\u003c\/td\u003e\n\u003ctd\u003eAvg. Permeate Flow \u003c\/td\u003e\n\u003ctd\u003eStable Rejection Rate\u003c\/td\u003e\n\u003ctd\u003eMinimum Rejection Rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eULP1812-50\u003c\/td\u003e\n\u003ctd\u003e4.4ft² \/ 0.41m²\u003c\/td\u003e\n\u003ctd\u003e50GPD \/ 0.19m³\/d\u003c\/td\u003e\n\u003ctd\u003e97.5%\u003c\/td\u003e\n\u003ctd\u003e96.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eULP1812-75\u003c\/td\u003e\n\u003ctd\u003e5.0ft² \/ 0.46m²\u003c\/td\u003e\n\u003ctd\u003e75GPD \/ 0.28m³\/d\u003c\/td\u003e\n\u003ctd\u003e97.5%\u003c\/td\u003e\n\u003ctd\u003e96.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eULP1812-100\u003c\/td\u003e\n\u003ctd\u003e6.0ft² \/ 0.56m²\u003c\/td\u003e\n\u003ctd\u003e100GPD \/ 0.38m³\/d\u003c\/td\u003e\n\u003ctd\u003e95.0%\u003c\/td\u003e\n\u003ctd\u003e93.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note: \u003c\/strong\u003eMembrane performance is dictated by several variables, most importantly are; incoming water TDS levels, pressure, and temperature. The statistics stated above are based on test conditions which are;\u003c\/p\u003e\n\u003cp\u003eConcentration of Solution (NaCl) = 250ppm\u003c\/p\u003e\n\u003cp\u003eWater Pressure = 60 psi \/ 0.41MPa \/ 4.14 Bar\u003c\/p\u003e\n\u003cp\u003eTemperature = 25°C\u003c\/p\u003e\n\u003cp\u003eThe membrane elements must be stored in a cool and dry place, away from direct sunlight. Do not expose to temperatures above 45°C\u003c\/p\u003e","brand":"Finerfilters","offers":[{"title":"No Membrane","offer_id":56193531511159,"sku":"FF-RO-REPL-COMP3","price":11.99,"currency_code":"GBP","in_stock":true},{"title":"50 Gallons Per Day","offer_id":56193531543927,"sku":"FF-RO-REPL-COMP3-50","price":24.99,"currency_code":"GBP","in_stock":true},{"title":"75 Gallons Per Day","offer_id":56193531576695,"sku":"FF-RO-REPL-COMP3-75","price":26.99,"currency_code":"GBP","in_stock":true},{"title":"100 Gallons Per Day","offer_id":56193531609463,"sku":"FF-RO-REPL-COMP3-100","price":30.99,"currency_code":"GBP","in_stock":true},{"title":"150 Gallons Per Day","offer_id":56193531642231,"sku":"FF-RO-REPL-COMP3-150","price":36.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9873\/2919\/files\/ff_3_stage_ro_replacement_filters_no_membrane_1.jpg?v=1763355359"},{"product_id":"3-stage-drop-in-reverse-osmosis-replacement-water-filters","title":"3 Stage 10\" Drop In RO Replacement Water Filters for Aquarium Reverse Osmosis Units","description":"\u003cp\u003e\u003cstrong\u003eFinerfilters 3 Stage Drop-In Aquarium Reverse Osmosis Replacement Water Filters\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFilter Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e10\" Drop-In Sediment Pre-Filter\u003c\/p\u003e\n\u003cp\u003eRemoves impurities in water such as sand, dirt, rust, silt, and suspended solids down to 5 Micron in order to protect the RO membrane.\u003c\/p\u003e\n\u003cp\u003e10\" Drop-In CTO Activated Carbon Block Filter\u003c\/p\u003e\n\u003cp\u003eRemoves chlorine taste and odour as well as THMs and other organic chemical compounds.\u003cbr\u003eThis CTO filter will not remove chloramines.\u003c\/p\u003e\n\u003cp\u003eRO Membrane\u003c\/p\u003e\n\u003cp\u003eThe semi-permeable membrane removes impurities in the water down to 0.0001 Micron including (but not limited to); bacteria, viruses, heavy metals, hormones, PFAs, etc.\u003c\/p\u003e\n\u003ctable border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMembrane Surface Area\u003c\/td\u003e\n\u003ctd\u003eAvg. Permeate Flow \u003c\/td\u003e\n\u003ctd\u003eStable Rejection Rate\u003c\/td\u003e\n\u003ctd\u003eMinimum Rejection Rate\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eULP1812-50\u003c\/td\u003e\n\u003ctd\u003e4.4ft² \/ 0.41m²\u003c\/td\u003e\n\u003ctd\u003e50GPD \/ 0.19m³\/d\u003c\/td\u003e\n\u003ctd\u003e97.5%\u003c\/td\u003e\n\u003ctd\u003e96.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eULP1812-75\u003c\/td\u003e\n\u003ctd\u003e5.0ft² \/ 0.46m²\u003c\/td\u003e\n\u003ctd\u003e75GPD \/ 0.28m³\/d\u003c\/td\u003e\n\u003ctd\u003e97.5%\u003c\/td\u003e\n\u003ctd\u003e96.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eULP1812-100\u003c\/td\u003e\n\u003ctd\u003e6.0ft² \/ 0.56m²\u003c\/td\u003e\n\u003ctd\u003e100GPD \/ 0.38m³\/d\u003c\/td\u003e\n\u003ctd\u003e95.0%\u003c\/td\u003e\n\u003ctd\u003e93.0%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease Note: \u003c\/strong\u003eMembrane performance is dictated by several variables, most importantly are; incoming water TDS levels, pressure, and temperature. The membrane outputs stated above are based on test conditions which are;\u003c\/p\u003e\n\u003cp\u003eConcentration of Solution (NaCl) = 250ppm\u003c\/p\u003e\n\u003cp\u003eWater Pressure = 60 psi \/ 0.41MPa \/ 4.14 Bar\u003c\/p\u003e\n\u003cp\u003eTemperature = 25°C\u003c\/p\u003e\n\u003cp\u003eThe membrane elements must be stored in a cool and dry place, away from direct sunlight. Do not expose to temperatures above 45°C\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Finerfilters","offers":[{"title":"No Membrane","offer_id":56193531838839,"sku":"RO-REPL-DROP-3","price":12.99,"currency_code":"GBP","in_stock":true},{"title":"50 Gallons Per Day","offer_id":56193531871607,"sku":"RO-REPL-DROP-3-50","price":24.99,"currency_code":"GBP","in_stock":true},{"title":"75 Gallons Per Day","offer_id":56193531904375,"sku":"RO-REPL-DROP-3-75","price":26.99,"currency_code":"GBP","in_stock":true},{"title":"100 Gallons Per Day","offer_id":56193531937143,"sku":"RO-REPL-DROP-3-100","price":30.99,"currency_code":"GBP","in_stock":true},{"title":"150 Gallons Per Day","offer_id":56193531969911,"sku":"RO-REPL-DROP-3-150","price":38.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9873\/2919\/files\/3_stage_aquatics_with_drop_in_filters._no_logo_2.jpg?v=1763355363"},{"product_id":"3-stage-compact-reverse-osmosis-unit","title":"3 Stage Compact RO System For Aquarium Reverse Osmosis Unit","description":"\u003cp id=\"WACGYB0\"\u003e\u003cstrong\u003eThe Finerfilters 3 Stage Compact RO is supplied with;\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e1 x 3 Stage RO Unit (including Inline Sediment and Carbon filter)\u003cbr\u003e1 x 50\/75\/100 GPD RO Membrane\u003cbr\u003e1 x Waste Water Clamp\u003cbr\u003e1 x Membrane Housing Spanner\u003cbr\u003e1 x Mains Pipe Connector\u003cbr\u003e1 x Garden Tap Connector\u003cbr\u003e1 x Length of 1\/4\" RO Tubing\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This system requires a minimum of 40 PSI or 3 Bar to work. Reverse Osmosis systems \"waste water to make water\", this is normal and the same with all RO systems. You can expect a pure-to-waste ratio of around 1:3 under optimal conditions.\u003c\/p\u003e","brand":"Finerfilters","offers":[{"title":"50 Gallons Per Day","offer_id":56193534067063,"sku":"RO-SYST-COMP3-50","price":34.99,"currency_code":"GBP","in_stock":true},{"title":"75 Gallons Per Day","offer_id":56193534099831,"sku":"RO-SYST-COMP3-75","price":38.99,"currency_code":"GBP","in_stock":true},{"title":"100 Gallons Per Day","offer_id":56193534132599,"sku":"RO-SYST-COMP3-100","price":44.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9873\/2919\/files\/3_stage_ro-h_system_aquatics_100gpd._2.jpg?v=1763355420"},{"product_id":"3-stage-drop-in-reverse-osmosis-unit","title":"3 Stage Drop-In RO System For Aquarium Reverse Osmosis Unit","description":"\u003cp id=\"U0QYWD5\"\u003e\u003cstrong\u003eFinerfilters 3 Stage 'Drop-In' Reverse Osmosis System\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStage 1:\u003c\/strong\u003e Polypropylene filter cartridge removes sand, rust, silt and other sediments up to 5 Micron\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStage 2: \u003c\/strong\u003eActivated carbon block is formed in especially pressured, high-density blocks to gain a high adsorption rate of chlorine, other chemicals and multiparticle organic substances.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eStage 3: \u003c\/strong\u003eReverse Osmosis Membrane removes the remaining contaminants in the water up to 99.9%\u003c\/p\u003e\n\u003cp\u003eThis system comes complete with;\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e1 x 3 Stage RO Unit\u003c\/li\u003e\n\u003cli\u003e1 x RO Membrane\u003c\/li\u003e\n\u003cli\u003e1 x 5 Micron Sediment Filter\u003c\/li\u003e\n\u003cli\u003e1 x Carbon Block Filter\u003c\/li\u003e\n\u003cli\u003e1 x Waste Water Clamp\u003c\/li\u003e\n\u003cli\u003e1 x Housing Spanner\u003c\/li\u003e\n\u003cli\u003e1 x Membrane Housing Spanner\u003c\/li\u003e\n\u003cli\u003e1 x Mains Feed Connector\u003c\/li\u003e\n\u003cli\u003e1 x Garden Tap Adaptor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePlease note:\u003c\/strong\u003e This system requires a minimum of 40 PSI or 3 Bar to work. Reverse Osmosis systems \"waste water to make water\", this is normal and the same with all RO systems. You can expect a pure-to-waste ratio of around 1:3 under optimal conditions.\u003c\/p\u003e","brand":"Finerfilters","offers":[{"title":"50 Gallons Per Day","offer_id":56193534787959,"sku":"RO-SYST-DROP3-50","price":49.99,"currency_code":"GBP","in_stock":true},{"title":"75 Gallons Per Day","offer_id":56193534820727,"sku":"RO-SYST-DROP3-75","price":52.99,"currency_code":"GBP","in_stock":true},{"title":"100 Gallons Per Day","offer_id":56193534853495,"sku":"RO-SYST-DROP3-100","price":59.99,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0950\/9873\/2919\/files\/3_stage_aquatics_drop_in_gpd._01_no_logo_3_1.jpg?v=1763355443"}],"url":"https:\/\/www.finerfilters.co.uk\/collections\/3-stage-aquatic-reverse-osmosis-systems.oembed","provider":"Finerfilters","version":"1.0","type":"link"}