How to Clean a Cat Urine Smell


The smell of cat urine is a strong, offensive odor that can be difficult to eliminate. Whether the smell of cat urine is left when your feline refuses to use the litter box or has sprayed to mark his territory, the pungent smell can linger for a long time, even after you have cleaned the spot. You could contact a professional to come clean your home but this could be expensive. The other option is to clean it yourself using home products that will effectively remove the offending smell.

Things You'll Need

  • Water
  • White, distilled vinegar
  • Plastic spray bottle
  • Baking soda
  • Liquid dish detergent
  • Hydrogen peroxide
  • Old toothbrush
  • Vacuum
  • Disinfecting mouthwash

Method One

  • Make a cleaning solution by placing 1 part water and 1 part white distilled vinegar in a plastic spray bottle.

  • Spray the vinegar solution onto the urine spot. You want the spot fully saturated. Leave it to soak in until it mostly dry. You do want it to still be damp, so do not allow it to dry completely.

  • Sprinkle baking soda over the spot until it is completely covered in a thin layer.

  • Make a second cleaning solution by mixing together 1 tsp. liquid dish detergent and 1/4 cup hydrogen peroxide. Pour the dish detergent mixture directly onto the baking soda you added in Step 4.

  • Use an old toothbrush to rub the dish detergent mixture into the baking soda. You want to completely dissolve the baking soda.

  • Allow the baking soda spot to completely dry before vacuuming it up.

Method Two

Tips & Warnings

  • No matter which method you use, clean urine spots immediately. Use clean paper towels to soak up any remaining liquid if you find the spot soon after it occurs. If the spot is older and you are not sure exactly where it is, you can use a black light to locate it. Turn the rest of the lights off and pass a black light over your carpet or furniture until you find the spot. Urine spots glow under a black light.
  • Cat spray is a mist of urine that both male and female cats use to mark their territory. Even if your cat is spayed or neutered, spraying can still occur.
  • Never use ammonia or ammonia-based cleaning products when attempting to clean urine. Cats are drawn to the smell of urine and ammonia and will continue to spray or urinate on those spots.

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  • Photo Credit cat image by Krzysztof Kiercul from
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