what to use for urina stains on rug?
 Vinegar is useful for removing dried dog urine stains from carpets because it . While vinegar alone isn't effective when the stains are dried, teaming baking soda and water up with vinegar will get the job done. Mix equal parts of vinegar and warm water and place them in the spray bottle. For example, use 1 cup of vinegar and 1 cup of water. 