ID help Live Rock turning yellow

[sdavi66572]

ID help
Good or bad

 

[ms32795]

Looks like an encrusting sponge.

 

[sdavi66572]

Looks like an encrusting sponge.

Good or bad?

 

[sdavi66572]

Good or bad?

Would this entrusting sponge be harmful to my bubble tips or other corals. My bubble tips used to be the size of softballs. Now they are the size of golf balls.

 

[Cell]

Looks rather invasive.

 

[F i s h y]

I agree that's a rather invasive sponge. I would def trim it back and remove some. Maybe place what you remove in your sump