Thanks Brian that was exactly what I was looking for, I've got two bulkheads that fit 1 "" PVC it's a 60 gallon cube so I'm thinking the two bulkheads will handle 500 to 1200 GPH with out difficulty. I am thinking though before I get started that maybe I should go to bulkheads that fit 1 1/2"" PVC just incase one was to get blocked.
Doug
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