Cat Urine Smell Remover Recipe For Free

cat on toilet by carolestherIt can be difficult to remove cat urine smell from furnishings as the cat urine odor tends to linger, well I am going to let you into a free little known secret to easily clean well this simple cat urine smell removal remedy will do just the trick.

Cat Urine Smell Removal Ingredients

  • 2 tsp. baking soda
  • 2 small drops liquid dish washing soap (Dawn, Palmolive, etc.)
  • 16 oz. (2 cups) hydrogen peroxide

Cat Urine Smell Steps for Removal

  1. Place all ingredients in a glass jar or bowl.
  2. Now all you need to do is gently stir until all baking soda is dissolved, making sure not shake or beat the removal ingredients.
  3. If the cat urine is fresh, be sure to blot up any excess urine with dry paper towels or a dry wash cloth before the next step.
  4. Pour the mixed cat urine smell remover over the urine spot, making sure to cover the entire spot.
  5. Allow mixture to completely soak the area where the cat urine is located. Do not rub or scrub!
  6. Now leave the mixture for 24 hours without disturbing.
  7. After 24 hours, take clean paper towels or a clean, white wash cloth and blot up any remaining cat urine smell removal liquid. Again, do not rub or scrub.
  8. Allow area to air dry completely where the cat odor was previous. If you are treating cat urine on carpet, you can vacuum over the area when dry.

Cat Urine Smell Removal General Tips

  • The strength of hydrogen peroxide required for the recipe is the 3% solution. This strength is what is commonly found at pharmacies, discount stores and grocery stores.
  • The solution is most active for one hour after mixing. Be sure to apply the solution within this time period for maximum effectiveness.
  • Do not put the mixture in an airtight container, as when the ingredients are combined they release oxygen.
  • For really tough cat urine odor, you may have to treat the area more than once. Carpet, furniture and mattresses typically require 1-2 treatments. Concrete, wood, tile and other hard surfaces usually need 3-5 treatments with 1 treatment a day.
  • For concrete and other hard surfaces, you want to make enough of the cat urine remover to completely cover the stain. Pour or spray the solution on and let it soak, soak. Do not mop or wipe up. Let it sit for 24 hours depending on the humidity level, it will usually evaporate during this time. Repeat the treatment once a day for 3-5 days.

Cat Urine Mattress Smell Removal

For mattresses, to remove cat urine the best thing to do is to make a double, triple or even quadruple batch of the cat urine smell remover to completely cover the stain and then really pour it on. Don’t be afraid of saturating the mattress. The cat urine has gone deep into the mattress, so you need to make sure that there’s enough solution to go deep into the mattress as well. The solution has to reach the cat urine to neutralize it. You could treat the cat urine in the mattress in the morning so that the solution can work through the day. The mattress will often be dry enough for use by bedtime.

Cat Urine on Sofas and Couches

For cat urine on couch cushions, follow the above directions for treating mattresses.

Cat Urine On Clothing And Bedding

For cat urine on clothing and bedding, you can either spot treat or use the remover in a washing machine. Depending on the size load you are washing, you will need to make a double, triple or even quadruple batch of the recipe and pour it in with the washing machine water. Allow the clothing/bedding to soak in the washing machine overnight. Leave out the detergent until you are satisfied that the cat urine odor is gone. Then, you can wash with detergent like normal. If any of the clothes/bedding is brightly colored, be sure to do a spot check on them first before treating them. The recipe is not safe for leather.

Removing Cat Urine Outdoors and Whole Houses

For outdoors, the recipe will work on dirt, sand, gravel, and areas with ground cover-type plants. However don’t use the cat urine removal mixture directly on shrubs or potted plants.
If you are treating large outdoor areas or entire houses for cat urine odor, you might want to consider purchasing the hydrogen peroxide at a higher concentration and diluting it. It would make each batch even cheaper for you. The peroxide can be bought in strengths such as 12%, 20%, 35% and 40%. The 35% solution is often called “food grade”.

Cat Urine Smell Removal Gallon Recipe for Large Areas

  • 16 cups (4 large 32-oz bottles) hydrogen peroxide
  • 16 tsp. (or about 1/3 cup) baking soda
  • 1/2 tsp. liquid dishwashing soap

The Cat Urine Smell is Worse After I treated What do I do?

By wetting the carpet will sometimes “reactivate” the cat urine odor, making it stronger before it gets better. If you’ve treated three or more times, wait a few days to see what happens with the odor. Don’t treat again. Usually what will happen is one of two things: 1) The smell will be lessened but not completely gone, or 2) The smell will have gone completely away.

Cat Urine Smell Remover for People in UK, Australian and New Zealand

The cat urine smell ingredients has a slight variation in the amount of teaspoons of bicarbonate of soda:

  • 16 oz. hydrogen peroxide (3% liquid solution)
  • 3 tsp. bicarbonate of soda
  • 2 small drops washing up liquid

For the UK you can find hydrogen peroxide at Tesco Pharmacies and also at Boots in 200ml bottles. Two of the 200ml bottles are sufficient for one batch of the recipe.

You can also you can purchase large bottles of hydrogen peroxide from hair dresser supply stores in the UK .

Recipe ingredients for larger areas:

  • 128 oz. hydrogen peroxide
  • 5 1/2 tablespoons bicarbonate of soda
  • 3/4 tsp. washing up liquid

As with any product that you would put on your carpet, flooring or furniture, always test for color fastness. To test for color fastness, mix a small amount of the solution and place on a hidden area of your carpet. Wait 24 hours or until carpet is dry before proceeding to full treatment.

Remember when treating fine fabrics, rugs and upholstery. You must be extra careful in checking for color fastness. You must test a hidden area and wait 24 hours before proceeding to a full treatment.

When a cat has urinated on hardwood, the cat urine has seeped deep into the floors. To neutralize the cat urine, you would need to apply the cat urine smell remover so that it would seep deep into the floors as well. Due to the possibility of warping, we just can’t safely recommend this.

The recipe is not safe for leather.

BTW try this at your risk we accept no responsibility or liability

Share and Enjoy !


Written by Alex


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  1. We have cabinets in our laundry room that the cats can get up under but we can’t get to them, the smell was awful, I mixed up a double batch of the recipe and took a bulb syringe, squirted it up underneath the cabinets and it worked like a charm… Thank you, thank you, thank you!!! I was so upset, we just built this house and the smell was knocking me over everytime I walked in there. Thanks again for taking the time to post.

  2. Thank you so much! I have been looking everywhere for this recipie!!! I’ve used it before & lost it – it is awesome! Thank you again!

  3. We usually use Nature’s Miracle for our little accidents, but this is a recipe I’d like to try in the future. Fortunately most of our accidents are small puppy accidents and only end up on the carpet or tile floor. I’m glad I haven’t had to deal with a mattress stain…yet…

  4. We’ve used both Resolve and Nature’s Miracle to remove pet urine smells. Your cat urine recipe sounds like a good alternative to store bought stain and scent removers. I’m going to try this recipe next time one of my pets has an accident.

  5. I bought a 40 year old house with a carpet over a concrete foundation. Unfortunately the prior owner had dogs that had ruined roughly an 8 foot square section of the carpet with a truly UNHOLY smell. I had replaced the carpet AND sealed
    the concrete floor with KILZ to remove the stench, but sadly heavy rains got under the seal and brought the stench back.
    Your elixir saved the day, and the ingredients for a full 5 day application cost only $10 at WALMART.
    It didn’t stain the carpet in the least.
    They charge that much for a thimble full of all the premixed stuff which doesn’t work any better. Thanks so much for a lifesaving recipe.

  6. This home remedy is a life saver! My cat likes to pee in the dining room (of all places) to teach me a lesson when I go out of town… and this is the ONLY thing that works to eliminate the odor…and I’ve tried EVERYTHING! Thank you SO much!

  7. My cat sprayed all over my room, on my drum set on my dresser on my floor every where and i dont know what to do. my mom says not to re wet it because the smell will just come back up so im stuck????? what should i do!?

  8. Yes your mom is right but if you follow the instructions above you will only have to smell it once more, rather than having the smell constantly. I would recommend you air the room if you can as the smell can be sometimes deceive where the cat has urinated then follow the instruction above

    Hope this helps


  9. This stuff worked great!! Bought a chair at goodwill and my cat went right over and peed on it. Ugh…figured I was going to have to throw it away because it probably had been peed on before and that’s why the cat decided to mark it. Used this mixture soaked the chair and no odor at all! Same cat now sleeps in this chair. No more pee odor and no more cat wanting to mark his territory. : )

  10. Your recipe for bulk says 1/2 tsp of dish washing liquid. Is this correct? Because it’s less than what a single recipe calls for. We’re using for a whole house. Previous owner had 16 cats :/ and 2 dogs. Thanks for the recipe!

  11. For surfaces like concrete, i recommend laying a towel over the area you are treating and soak the towel with the solution. This will contain the liquid on that spot. 😀

  12. I read this article and wanted to print it for a situation that we have here at our job with one of our employees (who has several cats and who brings their odors in with her). It is very offensive to our co-workers, and as her supervisor we’ve tried several things to eliminate the odor but nothing has worked so far. I need very badly to print this article but apparently the magazine holder is not allowing that so….

  13. This recipe looks awesome!! I’m pulling out carpets tomorrow and I will begin treating the concrete. Yeah!!
    My question is, will this have any effect upon the concrete accepting an acid stain? No more carpets for this pet-loving family!
    Thank you!

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