Speeding up the life cycle is fine as long as there is no host. If you have fish in the system, the ich will not die. A healthy fish could have it and not show signs if its immune system is up to the task. Stress the fish out or make conditions worse and eventually it will be back.
Hypo and Copper and ways to kill it.
*180 gal Display, 100 gal basement sump, 33 gal refugium, 3x250 MH, 2x160 VHO actinics, zoos, some softies, LPS & lots of acros and other SPS.
*100 gal prop tank plumbed into main system w/ 2x96 PC lights and 1x150 MH,