Step 1: Spray vinegar over the dried urine & wait 15-20 minutes for it to settle. \rStep 2: Dab with a white colored rag until it no longer can absorb the mixture (do not rub) \rStep 3: Sprinkle baking soda over the area and with the same rag, rub it in to absorb the remaining moisture (this also helps neutralize the odor). \rStep 4: Vacuum up the the contents. Read more