I was playing around with the RC calculator and got this
Gallons per Hour = 800
Recommended minimum drain pipe diameter = 1.17 inches
Recommended minimum linear overflow size = 12 inches
I don't know if that would apply to yours for sure.
Wouldn't it depend more on what size of pipe you have attached to the overflow for the drain?
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Brian
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220g inwall 48"x36"x30"
110g mangrove refug/sump
Poison Dart Frog Vivarium
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