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RO Systems

What is reverse osmosis? A reverse osmosis machine purifies pressurized tap water through a multi-stage process. The prefilters, usually a sediment and carbon cartridge, remove large particles and some toxins. The reverse osmosis membrane then purifies the water.

Can you use reverse osmosis water in a fish tank? Chlorine and fish do not mix. An aquarium reverse osmosis system removes chlorine and other contaminants to create about 95% pure water for water changes and aquarium top off. An RO system is a great choice to ensure high freshwater aquarium water quality while preserving some minerals. For a saltwater aquarium, we recommend an RO/DI system. You can also drink RO water.


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