Jan 22, 2022 #1 E e1v4n Active Member View Badges Joined Dec 19, 2021 Messages 122 Reaction score 32 Location stockholm Rating - 0% 0 0 0 There's a few of these both on glass wall and bottom of sump, at first i thought it was a star but it grows bigger and does not move around it seems.. what could this be?
There's a few of these both on glass wall and bottom of sump, at first i thought it was a star but it grows bigger and does not move around it seems.. what could this be?
Jan 22, 2022 #2 ReefRondo Valuable Member View Badges UK Reef Club Member My Tank Thread Joined May 13, 2019 Messages 1,432 Reaction score 2,605 Location Scotland Rating - 0% 0 0 0 A harmless sponge.
Jan 22, 2022 #3 OP OP E e1v4n Active Member View Badges Joined Dec 19, 2021 Messages 122 Reaction score 32 Location stockholm Rating - 0% 0 0 0 ReefRondo said: A harmless sponge. Click to expand... Cool thx, do you have any id on it?