Dental Fresh Dog Protects Teeth & Gums. Eliminates Foul Breath Odors Removes Plaque and Tartar, Freshens Breath Formulated with stabilized Chlorine Dioxide to kill the bacteria that cause bad breath, tartar and plaque. Completely safe and effective for Dogs and Cats. Brightens Teeth Effectively brightens teeth with proven whitening agents. Professional Cleanings Helps make professional cleanings faster, easier, less stressful and less frequent. Usage Daily use is recommended. Add 1 teaspoon (capful) of Dental Fresh to 8 ounces of drinking water. 4 fl. oz. 16 fl. oz.Gallon