Does anyone know what this is

[Jhonathan]

its growing on one of my rubble rock in my refugium

 

[Jhonathan]

Any help will be appreciated

 

[monique]

looks like some kind of polyp. could also be a type of macro algae. does it put out tenticles. if it isn't hurting anything just let it grow and see what happens

 

[Brooke80]

Red bubble algae maybe ??? I googled it and the pics sort of look like yours a bit ....

 

[Jhonathan]

Red bubble algae maybe ??? I googled it and the pics sort of look like yours a bit .... View attachment 24553

It does look like that is that bad

 

[mark r ramsey]

It looks like a piece of Kelp.

 

[Jhonathan]

I think it was red bubble algee so I threw the rock away that had it. Didn't want to take any chances. Thank you everyone.