Well, we can only guess what it is based on that description. It may be cyanobacteria. There are not easy "buy that fish" solutions. Reducing nutrients (nitrate and phosphate; by skimming, growing macroalgae, using GFO phosphate binders, etc), reducing organics (skimming, carbon, ozone, etc), and increasing water flow all help.
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.