what is this tube

[mastertech]

i have two tubes seemingly growing out of this rock. what is it. and

 

[spanko]

Neomeris annulata a calcareous algae.

 

[mastertech]

Originally Posted by spanko
http:///forum/post/3141483
Neomeris annulata a calcareous algae.
thanks for the quick responce and is it reef safe?

 

[be2lose]

Originally Posted by mastertech
http:///forum/post/3141488
thanks for the quick responce and is it reef safe?

http://www.melevsreef.com/id/annulata.html

 

[spanko]

Reef safe, yes. However I have seen tanks where it has become so prolific that the reef keeper had a hard time keeping it from spreading everywhere. Very pretty though IMO.

 

[mastertech]

Thanks again for the quick responce. (all of you).