tissue

I am hoping that someone can provide me with some insight on this issue. My torch coral is about a week old to this tank and I have noticed some of the flesh is receding. In the pictures you can see the white skeleton showing where it is receding. Tank parameters below : Nitrate - 10 Phosphates...

Just got this Cryptonite trumpet a couple weeks ago and there were a couple holes near the base that I assumed were from a hermit crab pulling the frag plug out of the rock hole and choke slamming it to the ground. But yesterday I noticed the holes are getting larger at increasing rates and...