Quote:
Originally Posted by John N.
That's why many reef people use RO water to control the initial water parameters.
-John N.
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That is why I use RO water on all my tanks. And I mean pure RO, no RO tap mix, no reconstitution other then the Pfertz N and K and Macro, some NPK and some tanks get some ADA addatives like Green Bacter, Green gain.
I know for sure that Roy Deki also uses PURE RO, he listed on one or more of his tanks posted here that he uses Green Gain and Green Bacter at every water changes and ONLY Pfertz Macro's and NOTHING else.