K kevfiz Fish Crazy Joined Feb 26, 2017 Messages 273 Reaction score 12 Oct 20, 2019 #1 Hi all. My plants have dark marks on them. There is no furr or fuzz like an algae what is this?
Colin_T Fish Guru Joined Jan 26, 2008 Messages 39,132 Reaction score 23,622 Location Perth, WA Oct 20, 2019 #2 can you post a picture of the plants?
