Well Sunday I switched from a Rena canister filter to a 20g sump and the sump doesn't seem to get all the debris out of my tank. It's been very hazy and I can see all the particles floating around my tank. Yesterday I did move some rock around but the Rena would've already have the tank looking good by now. In the sump I have chaeto and gfo in a reactor. What am I doing wrong?!