1.) 2.) I did one 24hr treatment and they were gone. I haven't seen them since.
3.) I have a Mandarin as well, no problems.
4.) There was a small phosphate and nitrate spike from the killed inverts and pods.
5.) I didn't do a water change, but I don't do water changes
6.) I Just put fresh Carbon every day for a few days and emptied skimmer everyday, GFO I just turned it back on after treatment.