Torches and hammers recover slowly. If they get internal tissue damage (the root tissue at the base of the exoskeleton) they can be hard to revive. I speak from experience.
Just a little point of advice too... for the future. If it doesn't come from the ocean, don't put it in the tank. If you need it in your tank, and it doesn't come from the ocean, pay the extra money and buy the overpriced-specialty-made-for-saltwater-aquariums equipment, resins and silicone.
I remember seeing a video
http://www.youtube.com/watch?v=VRh0X..._order&list=UL
I would sooner clean my eyes with bleach, before cleaning my fake rockwork with it. No dice. I'll pass.
