Help with zoa polyps

[mcgallagherc]

Couple of polyps look bad. Pics attached

 

[Jcbueno]

did they touched another coral ? do you have cyano in the tank ?

 

[mcgallagherc]

did they touched another coral ? do you have cyano in the tank ?

My nutrients recently bottomed out, it wasn't near any other coral. I just started dosing for nitrate today as well as going to use reef roids to try and get po4 up.

 

[mcgallagherc]

Hermit crabs also been all over this today