VETRADENT Water Additive has the 'VOHC Accepted' Seal to Help Control Tartar in dogs.* It is scientifically formulated with Biotrate™ Technology to control tartar by working against bacteria and altering the environment in the pet’s oral cavity. This easy-to-use home dental product is provided to the pet by simply adding a measured amount of VETRADENT Water Additive to the pet’s drinking water.