Jan 26, 2016 #1 N nano_reez Community Member View Badges Joined Dec 1, 2015 Messages 77 Reaction score 39 Rating - 0% 0 0 0 So I have this frag with stuff growing off of it I'm not sure what it is.
Jan 26, 2016 #2 Lionfish Lair Renee View Badges Excellence Award Photo of the Month Showcase Editor Article Contributor Reef Squad Emeritus My Aquarium Showcase Joined Jan 29, 2012 Messages 8,812 Reaction score 9,042 Location California Rating - 0% 0 0 0 It's pineapple sponges. Just pull them off. They're harmless.