Sep 13, 2020 #1 S SeeFu Well-Known Member View Badges Joined Apr 21, 2019 Messages 946 Reaction score 252 Rating - 0% 0 0 0 Anyone have any idea what this is? It's forming all over the bottom of my tank. It's dark brown/redish in color. Looks to be only forming on the bottom of the tank where there's some light. I have that marine/abs board on the bottom of my tank.
Anyone have any idea what this is? It's forming all over the bottom of my tank. It's dark brown/redish in color. Looks to be only forming on the bottom of the tank where there's some light. I have that marine/abs board on the bottom of my tank.
Sep 13, 2020 #2 WIReefer 608 MOD SQUAD View Badges Excellence Award Reef Tank 365 Article Contributor Hospitality Award Wisco Reefers Midwest Reefer My Tank Thread Joined May 10, 2017 Messages 5,159 Reaction score 27,805 Location Wisconsin Rating - 0% 0 0 0 Is the tank fairly new? Could you get a pic with more whites? If it’s red could possibly be cyano.
Sep 13, 2020 #3 OP OP S SeeFu Well-Known Member View Badges Joined Apr 21, 2019 Messages 946 Reaction score 252 Rating - 0% 0 0 0 this is w/ all the lights at 100% it looks completely flat on the tank and its actulaly incredibly difficult to scrub off w/ a tooth brush tank is about a yr old now.
this is w/ all the lights at 100% it looks completely flat on the tank and its actulaly incredibly difficult to scrub off w/ a tooth brush tank is about a yr old now.