Borax And Apple Cider Vinegar. You can bathe your dog gently with the vinegar to soothe itching and kill mites. Mix ½ cup of apple cider vinegar with ½ cup of borax and warm water.
It is best taken for hydrogen peroxide with water alone, or at least 6 hours apart. Do not use on pets with raw or otherwise damaged skin. Hydrogen peroxide will neutralize the vitamin c and other organic compounds in the apple cider vinegar.