im trying to make a diy protien skimmer for my saltwater tank. im making it out of 4inch pvc, soda bottels a powerhead and some hose. well thats what i have for materials. i might need a valve or 2 to controle the flow but no big deal. can some one come up with something to help me out and yah i have the wooden boubble block. for hose i have like 1inch i think. i herd the outflow has to b bigger than the inflow hose. umm idk how to hook up the power head to it any help would b apreciated. sorry for my spelling and grammer im on a iphone