Eliminate brown spots before they happen. This totally natural product has been specially formulated to safely eliminate the damaging effects of your dog's or cat's waste on your lawn. Green-UM contains natural plant extracts which bind the ammonia from your dog's or cat's waste, and help prevent it from damaging your lawn. It is totally safe - for both your pet and yard. Administer to your dog or cat per the chart below, either directly, or crushed over their food. Pets love 'em!