May 18, 2011 #1 S sidneyfirepm Aquarium Advice Apprentice Joined Feb 12, 2011 Messages 35 Location Sidney, NE I have some what looks like black algae on one rock at the right end of my tank.Ok here we go is it good or bad just asking.
I have some what looks like black algae on one rock at the right end of my tank.Ok here we go is it good or bad just asking.