When an intact male sprays urine, it will have the characteristic “tom cat” odor that is strong and pungent. Castration or neutering will change the odor, and may reduce the cat's motivation for spraying, but approximately 10% of neutered males and 5% of spayed females will continue to spray.

Does cat spray smell go away?

To eliminate cat urine smell outside, you need to remove the urine odor, not just cover it up. Although baking soda, white vinegar, soap, and hydrogen peroxide may neutralize odors temporarily, a humid day can cause uric acid to recrystallize and release foul odor in your outdoor area again.

What does it look like when a cat sprays?

A cat that's spraying will have their tail straight up in the air and project their rear toward the target. The tail may shake or quiver. A cat that's spraying will usually only mark with urine and will still use the litter box regularly. It's rare for a cat to mark with stool.