Quote Originally Posted by Blu (Ontario)
I'ts my understanding that in centuries past, prior to the development of cleaning solvents, ripenned urine was used. Because it had a high ammonia content, it had the ability to remove the sheeps body oils and grime from the wool fabric. Whether or not it was used on an ongoing basis... ??

Not exactly your lemon fresh Tide!
Althouth I never tried it, I think urine cannot be used on dyed wool: ammonia is a bleach.