What is your favorite Pet Stain remover??  There are a slue of them on the market from organic to chemical.  Share your favorite, here is one we have used with good results.

HOW TO GET RID OF PET STAINS ON CARPET

Source:  http://www.onegoodthingbyjillee.com/2013/01/how-to-get-rid-of-pet-stains-from-carpet.html