I was recently watching a show that featured a veterinarian. He was asked what he recommended for pet stains and flea treatment. I can't remember what he said about the flea treatment, but he did say it was a pill which was better than making a big mess all over your pet's back. If I can ever remember what it was called, I will let you know.
The two products the vet mentioned for pet stain removal are called "Eewww", and "Safe Paws". I haven't used either one yet, but I want to try them, because I usually use Nature's Wonder, but it doesn't seem to work as well as it used to, or maybe I am not using it properly anymore. At any rate, if you aren't satisfied with whatever product you have been using, try one of these 2 mentioned above. I hope they work for you. Good Luck, Punkie