You are right v227, its a shining endorsement for sure. As fish keepers it's never fun to admit your mistakes or troubles, but i shared this to let people know not to give up if your fish hasn't.
We never had a positive ID on the disease, possibly columnaris, but i treated with API Furan2 followed by 4 weeks in a barebottom hospital tank getting large water changes daily and 100% about every 3 days.