Arm hammer advanced care dog dental water additive helps to prevent nasty tartar while keeping your dogs breath smelling sweet for up to 24 hours this water additive is taste neutral and odour free add it to your dogs water it wont even notice but you will notice the effect it has on your pets teeth it makes dental hygiene simple and easy just mix the correct amount of dental water additive to your dogs drinking water it will dissolve completely in the water when your dog drinks t