Homemade cat urine neutralizer

Updated April 17, 2017

Feline friends make wonderful pets, but they don't always use their litter boxes. Sometimes cats urinate elsewhere in times of stress, to mark their territory or because of health problems, to name a few reasons. Cat urine can be difficult to neutralise and it can smell for months if improperly cleaned, but you can make an effective homemade solution for carpeting with vinegar, peroxide and baking soda. Vinegar neutralises the ammonia in cat urine and peroxide breaks down some of the components in cat urine which cause odour and stains. Baking soda absorbs any remaining odours.

Absorb as much of the urine as possible by blotting the area. Place a paper towel or towel over the affected area and step on it in several areas. Once the towel is wet, replace with a clean one and blot again.

Lift the rug or carpet if possible to dab up urine that has seeped through to the bare floor.

Repeat Steps 1 and 2 until no more liquid can be absorbed.

Mix a solution of one part water and one part white vinegar. Make an amount that will cover your spot and penetrate all affected carpet fibres.

Wet the area with the solution.

Blot the area, as described in Step 1 of the "Wet Spot" section.

Sprinkle a handful of baking soda over the affected area.

Mix a 1/4 cup of hydrogen peroxide with 1 tsp of liquid dish-washing detergent. Double the amount if it is a large spot.

Drizzle over the affected area.

Work the baking soda, peroxide and dish-washing detergent into the area with a scrub brush or your hands (wearing rubber gloves). Try to penetrate all fibres and dissolve the baking soda.

Allow it to dry.



This recipe also works well for dog urine. A black light will detect any dry urine stains. If you have a wet/dry vac, it will assist in removing excess moisture during the blotting step.


Never use household cleaners containing ammonia. Ammonia is present in cat urine, and your cat may be tempted to urinate in places that smell of ammonia. Spot test the solution first if you are treating a spot that discolours easily; peroxide may cause discolouration.

Things You'll Need

  • Paper towels or old towels
  • Vinegar
  • Water
  • Container
  • Baking soda
  • Hydrogen peroxide
  • Liquid dish-washing detergent
  • Scrub brush or rubber gloves
  • Vacuum
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