Originally Posted by craig_will2513
when you refer to the "return" do you mean the return pump.. so my return pump is 1000lph will my overflow have to be the same.. also what filter media ie sponge bioballs ceramic ring do you guys recomend
For me. Yes return is the pump. I think your overflow should be rated slightly higher than your return pump. Something to factor in is what is your pumps flow rate is rated at for how far below your dt you plan on keeping it.
I have no recommendation on bio balls or other bio media.