flow questions,

wilvivas

New member
i have a 90 gallon. no sump, large overflow. I have an In line pump pumpin about 800gph from the overflow into the rest of the tank, have a sedra pump pumping 260gph over my sps. zoo med pumping another 200 and an ancient maxijet puming prob 200.
my "return" can pump up to 1200gph if i wanted to.
a) is this enough flow in my tank?
b) i'm buying a SEIO m620 that pumps 620gph. can i replace the sedra and the maxi jet and still have enough flow?
c) how do i calculate turnover?
thanks!
 
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