N nzafi Goliath Tigerfish MFK Member Mar 14, 2008 2,185 1,244 179 USA Jan 23, 2017 #1 Does anyone know how to calculate how much air you need to move through an airlift to achieve a certain about of gph? I am looking into using an airlift with airpump over a powerhead, but want to make sure I hit the amount of movement I need to hit.
Does anyone know how to calculate how much air you need to move through an airlift to achieve a certain about of gph? I am looking into using an airlift with airpump over a powerhead, but want to make sure I hit the amount of movement I need to hit.