Feb 2, 2014 #1 POLARBEAR0871 Aquarium Advice Addict Joined Oct 5, 2012 Messages 1,169 I have several on my rock any idea what it is
Feb 2, 2014 #2 carey Aquarium Advice Addict Joined Feb 23, 2011 Messages 20,966 Location Deltona, Florida Looks like pineapple sponges. Perfectly harmless. i have hundreds in my sump. lol
Feb 2, 2014 #3 OP OP POLARBEAR0871 Aquarium Advice Addict Joined Oct 5, 2012 Messages 1,169 Awesome hopefully I get more