Feb 18, 2013 #1 Acfish Aquarium Advice Apprentice Joined May 9, 2012 Messages 19 I'm trying to figure what's on my coral frag
Feb 18, 2013 #2 Crystal A Aquarium Advice Addict Joined Apr 11, 2012 Messages 1,069 Location Ontario,Canada Coraline algae .
Feb 18, 2013 #3 OP OP Acfish Aquarium Advice Apprentice Joined May 9, 2012 Messages 19 Should I be worried about it taking over my frag
Feb 18, 2013 #4 Tlro Aquarium Advice Activist Joined Aug 9, 2012 Messages 130 Location Calgary, Alberta No it encrusts surfaces. Corals will grow on. Its harmless.