I don't dip them but I do discard the water that I use to rinse them after fragging. So after I cut them and put them back in the bucket to transport them back to the tank I dumped the bucket down the drain. I also try to put them back in the same spot so that I'm not stressing them by changing their environment. As I mentioned earlier I also like to make sure that the damaged area gets good water flow around it so I brace newly cut coral up with PVC pipe or sit them on egg crate so that they're not being smothered in the sand or against a rock. Finally, I don't part with any LPS that has been cut until it has completely recovered. I think a lot of coral is heartier than we give it credit for but good risk management never hurts.
The only LPS I've ever lost after fragging was a wall hammer that I cut to try and save it from a brown jelly infection several years ago. I tried doing a lugol's dip on that one but I still lost it. Aside from that incident I only frag coral that is healthy and well established which is why I waited eight months before fragging the elegance.
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