75 Gallon drilling
I've got an AGA 75 gallon tank that i'm getting drilled(on the back). I would like to run about 600-750 gallons per hour, would a 1.5" bulkhead be sufficient due to having to run 2 90 degree elbows, 1 on each side of the bulkhead. And with a 1.5" bulkhead what size would the hole be?
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