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Reverse Osmosis

74 products
AquaFX Barracuda RO/DI Units
Starting at $135.99
*4-stage Reverse Osmosis (RO) & De-ionization (DI) units produce ultra pure water*DI stage polishes RO water for Total Dissolved Solids (TDS) reduction beyond 90%!*Use RO/DI water in freshwater or saltwater aquariums that require highest water quality4-stage RO/DI units produce ultra pure water for…
AquaticLife® 100 GPD 4-Stage Reverse Osmosis/Deionization System
Starting at $149.99
…largerparticulates and a carbon block to remove chlorine and other materials. AquaticLife® 100 GPD 4-Stage Reverse Osmosis/Deionization System makes up to 100 GPD of economically filtered Reverse Osmosis water, removing harmful substances like heavy metal ions and total dissolved solids from tap…
Kent Marine Nitrogen Sponge
Starting at $9.99
…UseUse 1 cup for each 20 gallons of aquarium water. More can be used for greater effectiveness. Rinse with fresh water before use (preferably reverse osmosis or de-ionized water).Place rinsed Kent Marine Nitrate Sponge in a large mesh bag (800 micron) or a canister filter, directly in water flow.…
Kent Marine® Cyclone Media Reactor
Starting at $59.99
…Through continuous research, testing, and development, new products were brought into the KENT Marine family. Natural Sea Salt, Pro-Scrapers, Reverse Osmosis Filtration and others quickly set the quality standard and became the true hobbyist choice.So enjoy your marine and freshwater aquarium and…
AquaticLife Twist-In 4 Stage Compact Reverse Osmosis/Deionization System
Starting at $108.99
*100 gpd 4-stage reverse osmosis/deionization unit for aquarium use*Compact water purification unit removes more tap water pollutants*Distinct twist-in cartridge design makes filter changes simple & easySpace-saving 100-gpd 4-stage reverse osmosis (RO) and deionization (DI) unit takes a clever…
Drs. Foster & Smith Semi-Automatic CO2 System
Starting at $137.99
…but your pH remains high, you can reduce the alkalinity by performing small water changes using mineral-free water that has been purified by reverse osmosis or distillation. Please note: Because light is integral to photosynthesis and the creation of oxygen, your plants will stop using CO2 when…
IceCap RODI Smart Water Filtration System
Starting at $399.99
*4-stage reverse osmosis deionization system with electronic controller*Features leak detection, 3-point TDS readout, timer operation & MORE!*Produces up to 99% pure water for enhanced aquarium water qualityEnjoy efficient RODI production with the 4-stage reverse osmosis/deionization filter system…
AquaFX Engineering RO Replacement Filters
Starting at $19.99
…improper pH levels, and livestock losses. The best way to ensure your water is free from potentially harmful elements is to use a Reverse Osmosis (RO) unit. How Reverse Osmosis units WorkRO units create purified water by forcing pressurized tap water through a semi-permeable membrane. The membrane…
AquaticLife RO Buddie 3-Stage Reverse Osmosis System
Starting at $5.99
*Economical 3-Stage Reverse Osmosis unit priced right for aquarists*Filters tap water impurities that compromise aquarium water quality*Compact footprint allows easy installation for convenient aquarium use3-stage reverse osmosis (RO) unit boasts great hobby-friendly price PLUS compact footprint!…
Aquatic Life Twist-In 3 Stage Compact Reverse Osmosis System
Starting at $98.99
…77°F (25°C) The Aquatic Life Twist-In 100 GPD 3-Stage Reverse Osmosis (RO) and 4-Stage Reverse Osmosis Deionization (RODI) filtration systems are very compact water purification solutions that efficiently combine reverse osmosis RO and DI technology with our quick and easy to change twist-in…
Kent Marine RO Replacement Canister
Starting at $34.99
*Replacement canister for aquarium reverse osmosis units*Fits standard full-size reverse osmosis filter cartridges*Durable shatter-resistant polycarbonate constructionReplace worn or broken canisters to ensure proper function of reverse osmosis units. Kent Marine RO Replacement Canister delivers…
Kent Marine Solid Block Carbon RO Pre-Filter Cartridge
Starting at $16.99
*Replacement carbon cartridge for aquarium reverse osmosis units*Carbon pre-filter protects RO membrane from damaging chlorine*Compatible with standard, full-size aquarium reverse osmosis unitsProtect RO membranes from damaging chlorine with a fresh carbon pre-filter. Kent Marine Solid Block Carbon…
Kent Marine TFC RO Membrane
Starting at $79.99
…TFC membrane for aquarium reverse osmosis units*Thin Film Composite membrane provide excellent for TDS removal*Compatible with standard, full-size aquarium reverse osmosis unitsEnsure reliable production of quality RO water for aquarium use with fresh reverse osmosis membranes. Kent Marine TFC…
Kent Marine Hi-S RO Membrane
Starting at $84.99
*Replacement membrane for aquarium reverse osmosis units*High silicate removal membrane removes up to 99.5% of silicate*Use with standard, full-size aquarium reverse osmosis unitsReplace exhausted reverse osmosis membranes to ensure reliable production of high quality RO water for aquarium use. Kent…
Kent Marine RO Sediment Filter Cartridge
Starting at $6.99
*Replacement sediment filter for aquarium reverse osmosis units*Traps solids up to 1µ in size for particulate-free aquarium water*Compatible with standard, full-size aquarium reverse osmosis unitsReplace used sediment filters to ensure clog-free performance and efficient RO water production. Kent…