I bought the more powerful Zoo Med PowerSweep 228 rated at 270
gph and was quite disappointed with the performance compared to the
Maxi Jet or
Penguin models. The sweeping motion locked up after two weeks of using and needed to be cleaned often. Also there is a ton of lost
gph out the sides and little water gets moved around. I think this ph would be fine for 30
gal or less but anything larger needs more power.
Last month I bought two
Seio Super Pumps and love the currents I get from them pointed at each other