Aug 28, 2012 #1 C chrispys14 Aquarium Advice Newbie Joined Aug 28, 2012 Messages 1 i got this stuff growing on my live rock and have no idea what it is Attachments 1212.jpg 230.6 KB · Views: 76
Aug 28, 2012 #2 Flreefer Aquarium Advice Addict Joined Feb 11, 2012 Messages 1,984 Location SW Florida Looks like its possibly a piece of Favites or Favia coral.