Lost both of my ryukins today

#1
This morning my calico ryukin died, then this evening my older one died, from ich, i cought it when it was just noticeable, and began treating it in my hospital tank. I was just into the 3rd day of treatment and they died. That is really a bummer. Hope it doesnt get into my other 2 tanks. Gotta sterilize everything now. I think everyone would be happy if it wasnt for that one, just that one disease. Good luck to everyone elses fishes, because mine didnt make it this round :(