How to Remove Cat Pee Smell From Your Washing Machine

Introduction

Cat pee is one of the strongest and most unpleasant smells you can encounter — and if it ends up in your laundry, the odor can linger even inside your washing machine. Once it seeps into clothes or bedding, a normal wash cycle often isn’t enough. Worse, the smell can spread to other items you wash afterward.

The good news? With the right approach, you can eliminate cat pee odor from your washer and prevent it from coming back. In this guide, we’ll explore natural, pet-safe cleaning methods and practical prevention tips.

Why Does Cat Pee Smell So Strong?

Cat urine contains high levels of urea, ammonia, and proteins, which intensify when they break down. That’s why the smell is so pungent and difficult to remove once it’s absorbed into fabrics or surfaces.

Step 1: Clean With Vinegar

White vinegar is a natural deodorizer and safe to use in your washing machine.

Mix equal parts white vinegar and water.
Pour directly into the washer drum or detergent tray.
Run a hot cycle to break down urine residue.

Step 2: Neutralize With Baking Soda

If odors remain after vinegar, baking soda can help.

Sprinkle 1 cup of baking soda into the drum.
Run another hot cycle.

Baking soda absorbs odor and restores freshness to your washer.

Step 3: Use Enzymatic Cleaners

For stubborn odors, enzymatic cleaners are the most effective solution. These products break down the proteins in cat urine — the real cause of lingering smells.

Apply according to product instructions.
Run an empty cycle afterward to rinse thoroughly.

Step 4: Pre-Treat Soiled Clothes

Before putting cat-soiled items into the washer:

Blot urine with paper towels.
Pre-treat fabrics with vinegar or an enzymatic spray.
Wash separately in hot water with detergent.

This prevents the odor from spreading into your washing machine.

Prevention Tips

Wash soiled fabrics as soon as possible.
Leave your washing machine door open between cycles to let air circulate.
Regularly clean your washer with vinegar or baking soda.
If accidents happen often, check your cat’s litter box habits or consult a vet to rule out medical issues.

FAQ

Why does cat pee smell worse after washing?
When urine isn’t fully removed, heat and water can intensify the odor. That’s why pre-treatment and proper cleaning are essential.

Are vinegar and baking soda safe for pets?
Yes — both are non-toxic when used properly for cleaning. They are safe alternatives to harsh chemical cleaners.

Can I use bleach to clean cat pee smell?
Bleach is not recommended. It can react with ammonia in urine, releasing harmful fumes, and it isn’t pet-safe.

What’s the best cleaner for cat urine?
Enzymatic cleaners are the most effective because they break down the proteins that cause odor, not just mask it.

Conclusion

Cat accidents are frustrating, but they don’t have to ruin your laundry routine. With vinegar, baking soda, enzymatic cleaners, and proper pre-treatment, you can keep your washing machine odor-free and your clothes fresh.

For more tips on pet care and home hygiene, explore our Fammo Blog.