Ok, I'll avoid the drip method for the next one. The Fu was from a fish only display tank, and I never trust the water in those cases, even if the guy working that day insists there is no copper-based meds in the tank. To date, I've had 100% success with the drip method and fish, granted, I usually don't go that long, and all the rest of my stock is of heartier varieties. I gladly take the advice of those who have replied as you have lots more experience with this than I do.
On the subject of the chromis, do any of you think that his death may have been linked to nipping at the dead lion? I'm a bit surprised that a fish of the damsel variety turned belly up the very next day. I only wish I could recover the body, between my arrow crab and the serpent star, they have managed to tuck it away somewhere.