Yes, I've used the kick ich, but be prepared to use more then you think, go ahead and purchase the larger dose. It will work and has never compromised any of my hard or soft corals. They do recommend turning the skimmer off for a while. Monitor your system and if you do a water change do it before you start the treatment. Research the cycle of the parisite and you will understand that it might take a little longer to over come it but you can. I went down that long painful road once and I had cut short my quarentine from six weeks to four and I paid the price.
