Average Reviews:
(More customer reviews)The pump works quietly and moves a reasonable amount of water I suppose. I have it in a small 10 gallon salt tank used as a quarantine tank. It would take 2 of these pumps to support a 20 gallon properly. I doubt its 320 gph rating. It would mean its turning this little tank over 32 times per hour. I don't think so. It probably is putting out 190 to 200 gph. The water output is okay for my needs in this case though.
However the mounting system leaves something to be desired. Because the heavy power cord exits the rear of the motor housing, it cannot be mounted on the side of the tank if the powerhead is pointed so it blows lengthwise in the tank. It must be mounted on the rear wall of the tank and the powerhead has to be turned 90 deg. Even when you do that if you don't let the power cord go straight back for 6 to 8 inches before turning up and out the top of the tank, the stiffness of the cord overpowers the magnet mount and the powerhead points downward. This causes a sandstorm, and messes up your tank. I realize this is a $15 product, but their entire line of powerheads have this shortcoming. It would not be expensive to redesign the power cord so it wouldn't cause this problem.
The magnetic mount is a vast improvement over a suction cup method of retaining the pump to the wall of the tank. Hydor Korilla uses a magnetic mount that also incorporates a large suction cup. It does cost $25-$30 though. I would think Seio could incorporate a suction cup into the magnetic mount without doubling the cost of the unit.
I know it sounds like I'm knitpicking, but you only want a powerhead for one thing--move water in a controlled manner. Because of the mounting shortcomings, one is limited in the amount of control they have over the water movement direction. It does move water efficiently and quietly. And it is more controllable than most of the powerheads in this price range, but I'll spend the extra $10 to $15 next time, and buy another Hydor Korilla 425.
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