Oct 4, 2021 #1 S SeeFu Well-Known Member View Badges Joined Apr 21, 2019 Messages 920 Reaction score 248 Rating - 0% 0 0 0 I've got these red spots growing on parts of my rockwork but when I try to scrub it off, it doesn't come off. Is cyano supposed to brush off easily or does it get stuck onto the rock?
I've got these red spots growing on parts of my rockwork but when I try to scrub it off, it doesn't come off. Is cyano supposed to brush off easily or does it get stuck onto the rock?
Oct 4, 2021 #2 fishface NJ 5000 Club Member View Badges NJRC Member Hospitality Award Water Gap Reef Club MAC of SW Florida Rock Pool Reef Keepers My Tank Thread Joined Aug 27, 2019 Messages 6,608 Reaction score 30,935 Location NJ and Cape Coral, FL Rating - 0% 0 0 0 if stuck on the rock, that could be coralline algae. How old is the system?
Oct 4, 2021 #3 Reefing Madness Carbon Doser View Badges Staff member Super Moderator Excellence Award Hospitality Award Joined Oct 27, 2012 Messages 19,705 Reaction score 6,826 Location Peoria, AZ. Rating - 0% 0 0 0 Might be Coralline growing, I agree.
Oct 4, 2021 #4 OP OP S SeeFu Well-Known Member View Badges Joined Apr 21, 2019 Messages 920 Reaction score 248 Rating - 0% 0 0 0 that's what i'm thinking it is. its realyl stuck on there.
Oct 5, 2021 #5 guywithatank1234 New Member View Badges UK Reef Club Member Joined Sep 4, 2021 Messages 18 Reaction score 50 Location hertfordshire Rating - 0% 0 0 0 Cyano comes of dead easy. You probable have corraline