New hammer coral with undetified guest

[thomasrusconi]

Hello everyone,
I bought a hammer coral recently and I have noticed that something weird was puffing out. See attached video. Any idea of the guest name?
Thanks in advance!

 

[Nanoreefer4ever]

Look like either feather duster or porcelain crab. They're good. Better picture would be more easy to ID

 

[homer1475]

Barnacle.

 

[thomasrusconi]

Look like either feather duster or porcelain crab. They're good. Better picture would be more easy to ID

Thank you!
I will try to get better picture tomorrow. I can't really see its with the actinic lights.

 

[thomasrusconi]

Barnacle.

Thank you for the prompt help glad to hear that is nothing bad. I was ready to prepare the CoralRx dip