pink bubble on blasto....normal?

[11cmortarman]

Purchased this blasto piece recently at a local lfs. Did not notice the bubble on it. Is this normal. Good or bad? Thanks

 

[cloak]

I wouldn't call it normal, but bubbles like this are usually nothing to worry about. It happens to a lot of different LPS corals from time to time.

http://www.advancedaquarist.com/2008/8/aafeature1

 

[11cmortarman]

Thanks for the help. Ill read up on the link.