It looks like he may have caught it on the object that you removed the other day.
The best way to treat it is just keep him in warm and clean water. Nothing else is needed.
What size is the tank? And is it cycled?
I would just keep the water very clean, and monitor him. New growth should appear white or transparent. This is OK. If you see any signs of infection setting in, let us know. But I think he'll be just fine in a few days.
The best way to treat it is just keep him in warm and clean water. Nothing else is needed.
What size is the tank? And is it cycled?
I would just keep the water very clean, and monitor him. New growth should appear white or transparent. This is OK. If you see any signs of infection setting in, let us know. But I think he'll be just fine in a few days.