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TFC Membranes

A TFC RO membrane, or thin film composite reverse osmosis membrane, is the heart of a reverse osmosis system.

The RO membrane filter sits in a white housing after the pre filter sediment and carbon filter cartridges. It is in the TFC membrane reverse osmosis happens. The reverse osmosis membrane cartridge splits the incoming water into waste water and product (purified) water.

Want to know how often to replace Ro membrane filters? An RO membrane will typically remove 92-95% of impurities. So, If the tap water is 100 TD, the product water should be 2-8 TDS. RO membrane replacement should be done at least every two years under normal aquarium use.

Filters


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