Overflows
I've always had drilled tanks and have never used these external overflows. Do they work good and how problamatic are they? I picked up a 75G tank and looking to turn it in to a fuge and turning my present fuge which is 35G in to a frag tank. I'm looking at a CPR C-Siphon 300GPH one. Will it be sufficient or should I go bigger?
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