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#1
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![]() My tank has a 3/4" return, and a 1" overflow. The holes for those are 1 1/2" and 1 3/4".
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#3
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![]() lol i dunno how much gph i am wanting i am just setting up a few tanks connected to one sump so i am drilling a bunch
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35gallon, skimz 181, aqua controller l3, AI sol blue w/ controller. reef to be |