I have a askoll pump in my sump rated at 1500gph now I've got this utility under water pump rated at one quarter horse power so my plan is two put this pump in the sump with the other pump and connect a hose and put it in directly to the tank water whitch in returni hope my overflow can handle it. Then my water in my 160 will be forced to cycle faster. All be trying this out later today all keep everyone updated