I don't know how to make Urine Gone, but what I have done instead is purchase 1 gallon bottles of Nature's Miracle for about $20 each. It not only gets rid of any kind of pet stain (I'm talking cats and dogs to lizards), but I've even used it to get red and purple kool-aid out of beige carpet. It's available at Petco, Petsmart, and many other pet stores, and can be used directly on stains or in your carpet shampooer. ... View related article.