- Joined
- Jan 2, 2020
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Like I said, marineland corner overflow max is 750 gph with 1 1/4 drain pipe and 1 1/2 pipe is to big and won't fit meaning max return at height would be 750 gph. So if the t as no is 150 gallons max would be 5x at 5ftDepends on your overflow type and pipe size.
Matt

