I have a lot of pets so I have a lot of pet stains. I bought a stain
remover from www.stainbuddy.com called Stain Buddy. I have to say it
is the best stuff I have ever seen. It took out all of my Pet stains.
Some of those stains have been there for years. I would recomend this
product if your thinking of throwing out your carpets because of
I hope this helps