How many Powerheads

[windcoast reefs]

Originally Posted by mikeclarke

I have a Gen-X PCX40 in the basement and the max flow is 1190gph. I raise the water about 10 feet. So I imagine I get some pretty serious flow from them as well.

Does anyone have a pump curve for it? I've never found one and I bought mine used.

10 feet is a long ways, I would think it would be around 800gph.

Try this calculator

http://www.reefcentral.com/calc/hlc2...=1&Entrances=1

The pump you have is listed as the gen-x mak4