Whats this growing on my hammer?

[sharkdreamer]

Had this hammer for 6 months and this grew over a couple weeks but just on one side of the hammer. Can anyone let me know what it could be.

 

[fishski13]

spirorbid worms

 

[Dan_P]

Had this hammer for 6 months and this grew over a couple weeks but just on one side of the hammer. Can anyone let me know what it could be.

The little white tubes?

 

[sharkdreamer]

The little white tubes?

Yes

 

[WallyTime7]

harmless feeders
Have them in my tank too. usually over feeding.

 

[William Mumford]

What are you using to attach it to the rocks??

 

[James5214]

@thatmanMIKEson

 

[thatmanMIKEson]

@thatmanMIKEson

 

[sharkdreamer]

What are you using to attach for now??

Epoxy shape like cup to hold it for now until I get some glue