Why Cat Urine Odor Comes Back & How to Stop It



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Why Cat Urine Odor Comes Back & How to Stop It

Has your cat ever sprayed or had an "accident" on the carpet, sofa or bedding leaving a terrible smell that you couldn't get rid of?

It's a common problem for cat owners - one that is not easily solved.

Cat urine contains higher levels of uric acid and urea than other mammal urine. Cats eat a lot of protein and they don't drink much water, which makes cat urine odor even stronger. It is one of the toughest odors to remove. Even when you think it's finally gone, the smell can come back again.

Here's what happens. You clean the spot, assuming the problem is solved. But then - days, weeks or months later - the disgusting smell of cat urine mysteriously returns ... and this time, it's even stronger than before!

Urine odors resurface for two reasons:

  • There is a component to urine that cleaning can't remove. No matter what you do, these deposits don't go away.

  • At certain times, "something" in your home reactivates these deposits, and the urine smell comes back. That "something" is humidity.

    Humidity increases the sensitivity of odor sensors. So the more humid your house is, the stronger the odors become.

    Indoor humidity levels increase during the summer. Everyday activities like cooking, showering and drying clothes also cause humidity. And when indoor humidity levels rise, they reactivate the latent urine deposits and the terrible odor returns.

    Let's talk a little more about those deposits.

    Urine is made up of three different parts. Many cleaning products remove the first component - the sticky liquid content. Some can even remove the second component - the stain-causing pigmentation. But nothing removes the third component - the uric acid crystals or "urine salts" that cause odor.

    When you clean or treat the spot, it may seem like the urine is gone because the stain and odor disappear. But the urine salts are still there.

    In their dry state, urine salts have no odor. But when it gets damp or humid, moisture reactivates the crystals and urine odor comes back - with a vengeance.

    I've heard from cat owners who wound up replacing their furniture or carpeting. That's something we'd rather not do, especially in today's economy.

    The good news is, there is a better less expensive solution that we have found and used over and over. You need to use a product that neutralizes urine odor so it can't come back to haunt you. Our favorite product is called Zero Odor, and it doesn't just "mask" odors - it eliminates them.

    Zero Odor works where other products fail because it attacks odor in a different way. It chemically changes the molecular structure of odor molecules. And in this new form, these molecules are no longer capable of causing odor.

    I hope this information helps you deal with cat urine odor.
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    About The Author

    debra-primovic Dr. Debra Primovic

    Debra A. Primovic, BSN, DVM, Editor-in-Chief, is a graduate of the Ohio State University School of Nursing and the OSU College of Veterinary Medicine. Following her veterinary medical training, Dr. Primovic practiced in general small animal practices as well as veterinary emergency practices. She was staff veterinarian at the Animal Emergency Clinic of St. Louis, Missouri, one of the busiest emergency/critical care practices in the United States as well as MedVet Columbus, winner of the AAHA Hospital of the year in 2014. She also spends time in general practice at the Granville Veterinary Clinic. Dr. Primovic divides her time among veterinary emergency and general practice, editing, writing, and updating articles for PetPlace.com, and editing and indexing for veterinary publications. She loves both dogs and cats but has had extraordinary cats in her life, all of which have died over the past couple years. Special cats in her life were Kali, Sammy, Pepper and Beanie.