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I ordered a new system. Build is probably 10 weeks out, so I can change things still. It's an acrylic tank, 36Lx24Wx18H with a center overflow (gallons should be just under 60). Their typical setup is 3 1" drains in the overflow (two drains, 1 emergency?), and two returns in the upper back corners of the tank. I think I know how I'd do that if I stick with their standard.
Can you tell me a couple of things? What is the advantage of having two main drains vs. 1? What is the advantage of having two returns instead of 1 in the center? Just flow, on the returns? Last time I had a sump, I had a single drain and a single return in the center overflow. The plumbing is more simple if I stick to that rather than the two returns on either side, but perhaps it really is that much better? I plan on a mixed reef so don't need crazy flow for acros.
Can you tell me a couple of things? What is the advantage of having two main drains vs. 1? What is the advantage of having two returns instead of 1 in the center? Just flow, on the returns? Last time I had a sump, I had a single drain and a single return in the center overflow. The plumbing is more simple if I stick to that rather than the two returns on either side, but perhaps it really is that much better? I plan on a mixed reef so don't need crazy flow for acros.