can i leave like half of the opening on the elbow out of the water? and i want as many GPH as possible. i will have some high current loving fish, but dont know how many GPH the pump should be
rallysman;767393; said:...Those overflows can handle 600 gph ...
CHOMPERS;769723; said:I flow tested one inch pipe and in a gravity fed situation, I could only get 337 gph. Who ever started the 600 gph myth was only guessing.