Sep 10, 2020 #1 arking_mark 2500 Club Member View Badges Joined Mar 2, 2016 Messages 2,607 Reaction score 1,827 Location Potomac Rating - 0% 0 0 0 This is an old mature tank...no idea where this came from or what it is. Any clues?
Sep 10, 2020 #2 Spare time 10K Club member View Badges Joined Apr 12, 2019 Messages 13,208 Reaction score 10,672 Location Here Rating - 0% 0 0 0 Looks like a mussel I have two in my tank that I added just for the heck of it. It probably came from the rock.
Looks like a mussel I have two in my tank that I added just for the heck of it. It probably came from the rock.
