looks like warts

[lesljohn]

on my live rock it has these wart looking bumps they are a really light blue color are they growing or is it just part of the rock did not see it on any other rocks at the lfs sorry no pics

 

[zoocraze]

Could be a lot of things. With out a pic no one can help you. Chances are its some type of coral. Keep an eye on it and mean while go buy a camera.