Kelso
Aquarium Advice Freak
My return pump I'm my sump is returning the water way too fast. I have a PVC ball valve on the return line. Right now it's running, but the valve is almost fully shut and I don't see much flow in my sump tank. If I turn the valve open from where it is the slightest bit, my overflow fills and the return eventually runs dry. I have a pump rated for 591 gph. My intake line is 1" PVC, as is the return line. The bulkhead is flush with the inside of the 1" PVC. I also got 2 1" outside circumfrence siphons for my overflow. Is it bad to restrict the flow of the pump that much? How can I get more flow? Would putting a powerhead in lower tank help? If I increase the size of my intake pipe, do I need to increase my return pipe?