Thu-04-03-2021, 22:00 PM
(Thu-04-03-2021, 21:59 PM)Fred Wrote:(Thu-04-03-2021, 21:52 PM)Caroline Wrote: Dave.... “What is the working ingredient in coal tar?” Or differently said: “Why does it work?”
And additional: “Who found out that it works?”
Maybe worth you starting a new thread.
I was just thinking the same... the coal tar-thread. But never mind, I bet no-one knows. It is just a treatment.