White tube growing

[Ryan2428]

I tried to take a pic but not coming out right . But I have these 3 little clusters of white tubes growing out of my live rock any ideas . Will try to get a good pic

 

[MrDJeep123]

One of two things:
a) tube worms, completely safe and harmless.
b) sponge

 

[newjack0000]

^ +1