Jun 21, 2017 #1 jhatfield Active Member View Badges Santa Barbara Reef Co-Op Joined Jan 28, 2016 Messages 227 Reaction score 123 Location Santa Barbara, CA Rating - 0% 0 0 0 Curious about this purple thing growing on the plug. Guessing a sponge but not at all sure.
Jun 21, 2017 #2 Ty Hamatake Hi, my name is Ty and I'm a Reefer... View Badges Joined Nov 5, 2016 Messages 1,938 Reaction score 1,903 Rating - 0% 0 0 0 That looks like coralline algae to me. Give it a scrape with your fingernail, if it's hard, it's coralline If it's soft... I dunno lol
That looks like coralline algae to me. Give it a scrape with your fingernail, if it's hard, it's coralline If it's soft... I dunno lol
