I have had an RO/DI unit sitting under my stairs for a year and a half, I still have not hooked it up mainly becuase I suck at plumbing and have not got around to it. I've been using tap water for over 2-1/2 years and I really cannot say that it has caused me any problems.
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- Greg
90G : Light - Tek 6xT5 | Skim - EuroReef RS135 | Flow - 2xVortech MP40W | Control - Reef Keeper 2
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