please help ID these little creatures..

[Steven R]

Hello everyone I need help to ID these white tubular shapes on my red sea grapes and my small alveopora they just sprng up out of the middle of no where. all help is appreciated.

 

[returnofsid]

It's either a sponge, or dead piece of that macro alage. My guess is sponge. I have very similar looking sponges in my tank

 

[Saltgator]

+1 on sponge. All over the shaded rock work in my DT.

 

[donfishy]

sponge

 

[Steven R]

cool thanks guys