Lost my yellow tang and a beau greggory damsel._ I don,t see any other signs of it on the other fish, but I am sick over this. now I am afraid to put anything else in the tank. I guess I didn't QT the beau greggory long enough. If everything else survives I may start adding corals and have a coral only tank eventually. I don't know if you can ever geet rid of ich once you get it in the system, I will not be using copper so i guess its going to be wait and see what happens.