Fungusamongus
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Pacific Northwest Reefers
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I am planning on drilling my 75 g tank for a Modular Marine overflow 1600 gph that has 3 x 1in drains. For my return i was thinking of using a 1in return from my sump, which will be located under tank. What is the best style of bulkhead to use for the return, thread x thread, slip x thread?