Sponge identity

[Jakebob]

any idea what this is and if I should leave or remove, it’s been grown for about a month or two

 

[Rc_reefers]

Looks like bubble algae

 

[cristata.reef]

It's brownish right? If so it's Colpomenia, growth form is about right too

 

[saltyfilmfolks]

It's brownish right? If so it's Colpomenia, growth form is about right too

Impressive.
Spot on it seems

 

[Jakebob]

Sonofives that looks exactly like it thanks for the help