Mar 30, 2024 #1 L love2homebrew New Member View Badges Joined Apr 28, 2023 Messages 2 Reaction score 1 Location Maryland Rating - 0% 0 0 0 Hello everyone I have a burgundy coating that is expanding on a rock. It will not come off and slimy to the touch. Any idea what this is?
Hello everyone I have a burgundy coating that is expanding on a rock. It will not come off and slimy to the touch. Any idea what this is?
Mar 30, 2024 #2 WalkerLoves_TheOcean 2500 Club Member View Badges Catskill Reef Member Hospitality Award 518 Reefers Rock Pool Reef Keepers My Tank Thread My Aquarium Showcase Joined Jan 27, 2024 Messages 2,878 Reaction score 10,023 Location New York Rating - 0% 0 0 0 Dying coralline algae can sometimes look like that, but I am not sure if that's what it is.
