What the heck is on my coral???

goofieones

Member
I have a 72gal. with no lr or ls. I noticed this whiteish, to milky film stuff on one part of my dead coral. I have a couple of perc. clowns in the tank, along with a purple firefish, royal gramma, goby, and a blue spot sharpnose puffer. What could this be.
 
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