So I have some alge issues that I cant kick. I have a 90 gal with 2 Krolias 6 @2200 gph and a triton 3 return @ around 800 gph, for flow. I have an octopuss skimmer with cheto and carbon at the moment in the sump. my ph is 8.2 amonia is 0 trate and trite both @0 tested today from bottom of tank...