How to Get Pee Smell Out of a Couch: 6 Effective Methods For the remainder of the couch, you need a bit of baking soda and white vinegar. Use the paper towel to blot up as much pee as possible. Create a mixture of 2:1 water to white vinegar into a spray bottle. Spray down the area. Work the cleaner into the area with a white cloth. Repeat until you feel the pee is completely gone from the area.