I have 90 gallon tank with Africans. Its been good until a month ago I did a larger water change due to it looking brownish. All levels are fine but since that water change it went from clear to cloudy, to green and I have not been able to get rid of the green. I have tried frequent water change, black out, and even a couple water cleanser bags that sit in the filter. Nothing, its seems to just stay green color. Any advice on how to fix this issue?? I will add that use well water PH 8.4-8.6. Again all ammonia & nitrate levels stay good.
Thanks!!
Thanks!!