Dog Baking Soda. Brushing your dog before a wet or dry bath will help the baking soda work more effectively. You'll need a cup of baking soda for a large dog or half a cup for a smaller dog.

There is a maximum of 10 to 20 grams of baking soda per kilogram or 5 to 11 teaspoons per pound of body weight that can be consumed by a dog. Apply baking soda and vinegar. Is baking soda safe for dog’s skin?