ID help please

[livfortoday]

Just curious what these growths are off of my power heads.....also, just started messing around with an old camera and thought I would post a few shots.

 

[livfortoday]

sorry about the bad focus on the first pic

 

[livfortoday]

better picture

 

[Stray32]

Tube worms, harmless

 

[raynist]

I think it may be some type of worm that builds a tube out of calcium. I have them on rocks in my tanks.

 

[livfortoday]

thanks guys.

 

[Misled]

Looks like vermited snails to me. Annoying little suckers.