sps, at what point do you give up and throw it away?

[Aquattro]

Originally Posted by sphelps

White with no polyps = dead

Absolutely not. I had a small colony that was completely white with no polyps for months. I couldn't reach it, so left it in the tank. 4 months later it started coming back, and at 6 months was an awesome little blue colony.
Sure way to tell, remove it from the tank and smell it, acros have a pungent smell if they have tissue. Dead have no smell at all.