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#5
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![]() OK, another Q, if my RO unit puts out 30GPD, it will take over 1 day to fill my tank. The sand will get covered fairly quick, but what about the rock? I assume most place rock in tank after it's filled?? I have to order rock and Sand, was going to order them at the same time, but I was thinking I would have to much die off if filled from RO?
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