K kevfiz Fish Crazy Joined Feb 26, 2017 Messages 275 Reaction score 13 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 41,596 Reaction score 25,953 Location Perth, WA Oct 20, 2019 #2 can you post a picture of the plants?
