hoangtin18
New member
Hi, my 90 gal tank start to outbreak purple hairy algae and i am not sure how to get rid of this. I check my water MG-1320, PO4 phosphate 0, ALK 11.5, temp. 79. I believe this numbers are fine. I Have phosban media little fishies on phoban reactor for about 4 weeks. See attached photo. Can someone tell me what could it be wrong?