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Discussion Starter · #1 ·
Can someone give me an approximation on how many GPH a powerhead should put out on a 75-90 gallon?

Assuming that the powerhead would go like 8 hours on/8 hours off or something like that, not just on non-stop

Kyle
 

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70 would work, 50 would work as well... I am currently running a 50 in my 75 with my Geryi and he seems to be enjoying it when hes in the mood to exercise.
 
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Seio 820 if you have enough cover.

If not, I would go with a Rio (even tho I hate them) as they are built to be turned on and off regularly.
 
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