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Wed, 2nd Jan 2013, 08:56 AM
#8
For a 40 and sump, 1in should be fine. Although I like the 1.5in for more flow on 75s. It also depends on the sump/refug setup. How much flow through your sump/refug?
And use teeth on overflow. The teeth will save your fish. I dont know why people use this toothless overflow.
Last edited by BBQHILLBILLY; Wed, 2nd Jan 2013 at 09:46 AM.
happy reefing
Lets ride
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