Sep 23, 2022 #1 Z zozuzoza New Member View Badges Joined Sep 23, 2022 Messages 1 Reaction score 0 Location Ireland Rating - 0% 0 0 0 Hi guys, There are oddly shapped things growing in my tank, any idea what they are?
Sep 23, 2022 #2 WheatToast 2500 Club Member View Badges My Tank Thread Joined Jul 18, 2021 Messages 3,885 Reaction score 4,660 Location Bay Area Rating - 0% 0 0 0 Longhorn sponges. Harmless, filter-feeding, calcareous sponge:s Upvote 0
