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  1. General Reef Discussion
    Have a 125 reef tank and a 35 gallon refugium. Refugium pours into the tank via gravity and I have some spare room I'd look to put to use. I'd like to use a 5' tall piece of 3" or 4" sch. 40 pipe and fill it with 4" of reef sand. I would bypass a trickle flow off of the refugium feed, to the...
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