Quote:
Originally Posted by reefgirl189
Sedra 20000
I can't find a comparable pump for 2000 gph at 0 head on reefcental's chart. Most of them are little pumps. The Iwakis are sort of comparable but I don't recognize the models that are on the list. Plus my Sedra's internal and the Iwakis are external, which kind of plays into the math a bit.
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Just use the Mag 18 or 24, it's the same basic design. Fill in all the info and use the generated head pressure on the flow chart for the Sedra to get flow rate.