Hammer Coral, breaking?

[Lilah]

I have had a hammer coral for about a year and a half now and it has been doing great...up until now. I lost one section and the boney interior is visible. It appears that it is losing another section. The only thing that has changed in my take is adding Rally. I had a fish with drop eye and my LFS told me that it would be fine with invertebrates and corals, does anyone know what's happening? How I can stop it? If this is natural?

 

[Jvesche20]

Pictures? Are you dosing? What are your parameters?

 

[AllSignsPointToFish]

Do you have a picture of it?

 

[Lilah]

here are the pictures
ph=7.8
ammonia=0
nitrite=0
nitrate=0.3
and my alkalinity set broke, I am waiting on a new one

 

[AllSignsPointToFish]

How long have your nitrates been that low? Phosphates?

 

[Lilah]

How long have your nitrates been that low? Phosphates?

my mistake for nitrates 9.3 not 0.3 I clicked the wrong button, sorry about that.

 

[Lilah]

Another head has drifted off. They look like they are sliding right off of the skeleton. Another one looks like it is starting to fall as well. I have been leaving them in the tank because I don't know if it is natural yet or not. Help!

 

[Matt Carden]

I had the same happen. The consensus for me was Peppermint Shrimp.

 

[Lilah]

I had the same happen. The consensus for me was Peppermint Shrimp.

hmmm, I don't have any shrimp, only snails, and small hermits. Could a fish be doing it? or a parasite of some type?

 

[Matt Carden]

I'm definitely not the one to ask
@ReefSquad

 

[CoralBuddy]

I have had this happened to me. Turned out was my filefish that liked eating lps and softies. Perhaps you have one? I'd use a bandsaw or regular saw to cut whats dead as it could be brown jelly also.

 

[Lilah]

I have had this happened to me. Turned out was my filefish that liked eating lps and softies. Perhaps you have one? I'd use a bandsaw or regular saw to cut whats dead as it could be brown jelly also.

I don't have any filefish, and I don't see any brown jelly yet, but I will look, and try to cut the diseased parts as you said. Thank you so much

 

[DSC reef]

I wouldn't trust any fish medication in a reef tank no matter what the label says. That might be the problem if the coral flourished a year and that was the only change.