Mushroom Coral Dying??? Help!!!

[FishyBalls]

Hello, Im in desperate need of some advice, my brothers gone to Hawaii and left me in charge of his 30 gallon salt tank. he has several corals, one hammerhead coral and a mushroom coral it hink its called. Anyways, the hammerheads supposed to be pink but one part has gone purpley-green and the mushroom coral seems to be shriveling and im freaking out. I dont know what to do and he'll be sooo ****ed at me if they die. PLEASE HELP me out witha ny info/recommendations..id appreciate it immensly. Thank you.

 

[Toddrtrex]

First off, [welcome]

Secondly, your question would be better answered in the "new to hobby" forum. Here is the link. http://reefcentral.com/forums/forumdisplay.php?s=&forumid=104

 

[cvp7900]

It does shrink when the light is off. When the light is back on, it will expand again.

 

[michaeldaly]

This is the new to the hobby forum