jcannonb;4416420; said:Because it's growing in circles and patches, I gotta feel that it is fungal as well. In fact, if it were on a person, I would go so far as to say it is Athlete's Foot. I am almost certain it is fungal.
If it is a weird fungal infection, it may take far longer than normal for it to respond to medications.
So Seachem Paraguard might have worked if I'd used it longer. I did a standard treatment for a week.