Table/Iodized salt can be used. It's not ideal, it's the Yellow prussiate of soda that's added to it you really don't want. Epsom salt will have no effect on this at all.
Aquarium salt (sodium cloride) will help with the healing of the fins and ich. This and clean water.
Aquarium salt (sodium cloride) will help with the healing of the fins and ich. This and clean water.