Oct 7, 2017 #1 Hugo Garcia Active Member View Badges Joined Aug 13, 2017 Messages 173 Reaction score 55 Rating - 0% 0 0 0 pleas help ID this black spots that’s showed up ok my dry rock?
Oct 7, 2017 #2 DancingShark Well-Known Member View Badges Joined Jun 27, 2017 Messages 924 Reaction score 1,271 Rating - 0% 0 0 0 I had something similar looking and it ended up being the start of hair algea.
