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Old 12-09-2013, 08:12 PM   #1
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Join Date: Dec 2012
Posts: 132
Can the drain pipe to sump be too big?

Looking into doing a sump and have a question about pipe sizing.

I have a 60gal tank. I want to do an external box beananimal type overflow. I want to have a 30 gal sump with ~800gph pump

I'm trying to decide between the 18" or 24" ghost overflow.
For full specs: Ghost Overflow | Reef Savvy

The 18" has 1" bulkheads
The 24" has 1.5" bulkheads

Is there any downside going with the larger box and piping if my pump can only use 25-30% of the pipes potential? Such as starting a syphon?
93MSB is offline   Reply With Quote

big, pipe, sump

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