JT do you use an RO/DI unit? if you do and your DI unit is fine then just use that if you can by pass the others, DI is what polishes your water. If you don't get an aquarium pharmacies tap water purifier, it's a DI unit, once you get your RO unit fixed up, run the DI after the RO unit and you'll have flawless water.
You missed a great meeting by the way, TONS of frags....
Doug
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