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Old 12/28/2017, 08:49 AM   #2
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Join Date: Apr 2000
Location: Austin Texas USA
Posts: 35,499
It is 290gph at 0ft of head but I would expect that would be just a trickle at 4ft as at 4ft full power of 790 is reduced to about 550, if we took that to be linear which I cannot say it is, it would be 50 gph, I suspect it is likely 0 and would need to be turned up a bit to get any flow. I would probably want no less than 100 gph through it though to keep the motor from overheating.

Roger Vitko
Tunze USA

"He's for every one of us, stands for every one of us, he'll save every man, woman and child in a mighty Flash!"

Current Tank Info: 210 gallon planted tank with Altum Angelfish
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