How To Get Rid Of The Smell Of Old Cat Pee. Then, repeat the process of blotting the area. The key is knowing a little science behind the smell.
Remove as much urine as you can by rinsing it with cool water and then blotting the spot dry with a paper towel. Then, repeat the process of blotting the area. If your cat peed on the carpet, mattress, or couch:
To make it more effective you may go ahead and leave baking soda on the washed surface.
If your cat pees in a pile of laundry, wash it. Before you rip your entire house apart, there are solutions to get rid of the cat pee smell. Baking soda and vinegar vinegar, while a bit smelly itself, works to remove the lasting odor of sprayed cat urine because vinegar is an acid that neutralizes the alkaline salts that form in dried urine stains. Soak the area with an enzymatic cleaner or liquid.