There is no mistaking the heavy, ammonia smell of cat urine. Whether your cat is simply urinating wherever he or she wishes, or is spraying urine to mark territory, the result will be the same. This is a strong odor that will affect a surprisingly large area of the home, even if the problem area is relatively small. You should actually account yourself lucky if you are able to spot a puddle or a wet area on the rug or upholstery and begin treating it immediately. However, once the urine has dried, in most cases you will have to locate it by smell or by using a black light.
Odor Removal Once the Urine Is Found
Once you find out the problem area, it's important to take some care to remove the urine as completely as possible; not only for the sake of your nose, but to discourage your cat of thinking of that particular spot as a bathroom.
The organic compounds found in cat urine can pose some problems in removing the odor - some of the compounds are water soluble, but the uric acid not only is capable of binding to adjacent surfaces, but is not soluble by water. When you find fresh urine you should:
Although rugs are the usual areas where your cat may urinate, beds, sofas, and clothing can also be sullied. Use the same procedure on these as you did on your rug. Slipcovers and clothing should be washed separately after they have been treated with the enzyme cleaner. Spray marking will be found on a vertical surface such as a door frame or chair leg.