Originally Posted by mr_X
I encourage leaving some of the live tissue on the dead part. This will not hurt a coral. It's called "fragging". Everyone's doing it with no Ill effects.
Frag off any dead parts as this will encourage growth. I've received or came across countless corals with decay or dead spots. Frag it off and within a few months in the rights conditions you'll have some nice new growth. Also those lights are def your prob. Not enough for sps
, maybe softies and nps. I have those exact lights over a fw fo
tank bc that's about all they are good for.