Jul 10, 2024 #1 ReefGirl50 Community Member View Badges Joined Mar 3, 2024 Messages 28 Reaction score 44 Location Ontario Rating - 0% 0 0 0 I noticed one of these on my glass a few days ago. Today there are about 20 of these flat discs on the walls of my tank. Does anyone know what they are and what I should do about them?
I noticed one of these on my glass a few days ago. Today there are about 20 of these flat discs on the walls of my tank. Does anyone know what they are and what I should do about them?
Jul 10, 2024 #2 lil sumpin Digital Sponge View Badges My Tank Thread Joined Aug 13, 2023 Messages 865 Reaction score 1,566 Location New York Rating - 100% 1 0 0 I think that’s green calcareous algae. Eventually you’ll get the purples and pinks. I don’t think you need to be alarmed
I think that’s green calcareous algae. Eventually you’ll get the purples and pinks. I don’t think you need to be alarmed