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sump plumbing questions


jcrawford

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I'm setting up a 15 gallon reed with either a 2 or 8 gallon sump, what should be return flow rate be for those sump sizes? I've had a hard time finding flow rates for small sumps. I'll be using either an aqueon evolve 2 or 8 as my sump and using the light to make a fuge. The one I use depends on which will fit under my stand (I think the 8 will).

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I'd use the largest sump possible. The water level will have to be lower to handle the back flow into the sump (when power is turned off to the return pump). So say the 8 gallon tank will typically hold 5 gallons, and you decide that you want 10 times turnover in your refugium; then you might return something like 50gph through the return pump (after head pressure loss).

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