Mel wrote:

Are you in the Uk too? If so what did you use to treat it? I have Interpet
anti fungus and finrot which says it treats it but if you can recommend
anything else I'll give it a go.
Mel.

Mel,

Yes I'm in the UK, Wiltshire. I used Interpet anti-fungus.

Ingrid where do you get potassium permanganate - I have no idea
where to get it from. They do not stock it in my LFS.