clarity

Has anyone ever used powerheads with a water polisher attached? If so have you had success using them and what kind did you use? As far as chemicals go can anyone give me some recommendations to help clear up my water? Or possible filter media that could help with clarity?

Hey all! :D   So for a while now my tank has been an odd colour. If i could describe it, it would be a greeny-yellow-blue XD Its honestly more on the yellow side, but sometimes looks a little blueish green. It has been like this since I had a massive ammonia spike a month or two ago. The water...