dying hammer

Hi all, I got a hammer coral for free this last weekend as part of a sale and it looks like it’s really shriveling up. I don’t know if this is normal or not, I know most of my other corals retract in at night. Here are pictures of when I first got it and tonight. Give it to me straight guys...

Hello, so my entire tank has been doing great outside of this one hammer coral. Have only had it for about a month and noticed about 2 weeks ago one of the heads has died. It is now going to 2... any ideas whats going on? I have a peppermint shrimp that i notice picking at the head but it is...

I’ve had this hammer for about a month was doing well for about a week then started closing up, did another dip in coral rx but still no result. A couple of days later had a major stress event. My power strip tripped at night and my aquarium shut down temp lowered to ~73… after that it started...