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Reverse Osmosis Technlogy Water Education
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Pure water still tastes like Tap water:

The first thing to check would be if the reverse osmosis membrane was installed. The membrane is the heart of the RO unit and it is the component that removes most of the contaminants and impurities in the water. If the membrane is installed, please make sure the first 1-2 tanks of water have been completely flushed out. The new filters on your system needs to be flushed out before use.


If the tank has been flushed out, use the TDS meter to check the tap water vs. pure water TDS. RO units will remove 90-95% of contaminants and impurities in the water. If the pure water is not at 90% or higher, please contact an APEC technician for assistance.