Green Montipora issue

[PeterEde]

Just found what looks like white fluff or mold on my monti.
Red monti next to it does not have the same look.
Polyps look open from the opposite angle

 

[PeterEde]

Just found what looks like white fluff or mold on my monti.
Red monti next to it does not have the same look.
Polyps look open from the opposite angle

It's dead Jim
I removed it to dip. Looks like every polyp has bailed. But still green?