Rufus & Coco Breath Buddy is the best dental water additive for dogs and cats that helps to naturally promote fresh, pleasant breath, as well as support healthy teeth and gums. This cat and dog breath freshener is safe, gentle and pleasant tasting. Simply add it to your pet's water and allow them to drink as normal. How To Use How to promote fresh breath: First, add fresh clean water to your pet's water bowl. Now, pour one teaspoon of Rufus & Coco Breath Buddy into the water (approximately 5mL per 500mL of water). Allow your little mate to drink as normal. Remember to change water daily. Tip: Initially, your pet may be cautious about drinking the water as it turns green (from natural ingredients). Be patient - it won't be long before they are happily lapping it up.