Nutri-Vet Grass Guard Max Chewable Tablets for DogsNutri Vet Grass Guard Max liver flavored chewables are a great way to reward your dog while treating yourself to a spotless lawn. These liver flavored chewables contain a unique blend of probiotics for dogs, plus other ingredients designed to neutralize high pH urine that can damage grass. Made in the USA Veterinarian formulated to prevent lawn burn and yellow areas on grass and shrubs by neutralizing nitrogenous waste, maintaining a slightly acidic