What are these clear tube like things?

[christwendt]

I’ve noticed bunches of these show up. Any idea?

 

[brmreefer]

Looks like a type of sponge.

 

[Morbo]

Looks like some type of sponge to me. If so, harmless filter feeder.

 

[christwendt]

Looks like a type of sponge.

Thank you

 

[christwendt]

Looks like some type of sponge to me. If so, harmless filter feeder.

Thank you

 

[ReefBridge]

+1 on sponge. Saw two other posts asking about these. General consensus is they’re good.