Breathalyser pet oral health water additive is a pleasant-tasting and safe breath freshener that keeps your dog or cat's teeth clean and their mouth healthy. As a dental care water additive, Breathalyser is safe for daily use for cats and dogs. Because it's added to your pet's water, Breathalyser makes oral hygiene effective and simple. It's also easier on your pet's teeth than chews or hard treats! Oral hygiene is important for overall pet health and Breathalyser water additive is a tried-and-tested tool for your pet's dental health. Simply add 10mL (approx. 2 capfuls or 2 tsp) of Breathalyser to 1 litre/quart of your pet's drinking water daily to promote a healthy mouth and freshen breath without having to struggle with brushing teeth. Discard any treated water not consumed within 24 hours. Provide supplemental non-treated drinking water if required.