Oct 19, 2020 #1 A Azzaman160 Community Member View Badges Joined Jul 27, 2020 Messages 34 Reaction score 7 Location UK Rating - 0% 0 0 0 Hi all, does anyone know what this may be and if its OK to have in the tank please?
Oct 19, 2020 #2 samnaz Earthling View Badges Excellence Award My Tank Thread Joined Dec 30, 2016 Messages 3,564 Reaction score 6,880 Location Humble.fish Rating - 0% 0 0 0 Looks like a sponge
Oct 19, 2020 #3 SHNICI Well-Known Member and Coral Cabin owner View Badges UK Reef Club Member My Tank Thread Joined Jun 20, 2018 Messages 1,573 Reaction score 1,440 Location Kent Rating - 0% 0 0 0 +1 for sponge. Not sure but it look like sponge with polyps or the thin tubes on it look like polyps
or the thin tubes on it look like polyps 
