I have a brown snotty looking algae that is all over my tank, just started happening about a week ago. Not sure what it is or why I have it?
55 gal tank
2 T5 lights on 8 hours per day
Last water test: Sunday - Calcium 440, Salinity 1.025, Nitrate/Nitrite 0, Dkh 11
I have several leather corals...