I need a return pump for the sump of a 90 gallon reef I'm going to setup. The durso plumbing is rated for 700 gph. Does anyone have any experience with Hygger dc return pumps? I'm looking at one rated for 800 gph and the head will only be about 4 feet. Can this pump truly deliver 800 gph? Every other pump I've looked at with this flow rate consume far more electricity than the 25 watts of the Hygger.