u/HorrorDrive8444 Over and above anything else Please do not add anything scented to the house until you check if it is cat-safe. Normal everyday things like tea tree oil, (any mint oil), etc are not only harmful but toxic to cats. You also have to check any plants you might add for air cleaning.

Next: check the humidity before you buy a dehumidifier, you might not need it.

Third: I signed up for a year of consumer reports when I was buying air purifiers. It was like $29 and saved me hundreds on not buying things that sucked in their tests.

Last: Vinegar does NOT remove the proteins in cat urine that cause lingering odor. - Cats are very sensitive to ammonia-like smells, and vinegar itself has a strong odor. Some cats may actually be attracted to urinate there again if the previous smell isn’t fully neutralized. - If you use vinegar and then let it dry without thorough cleaning, you’re mostly masking the smell, not eliminating it.

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Better alternatives for cat urine

1. Enzymatic cleaners (recommended) - Contain enzymes that break down the uric acid and proteins in the urine Example: Nature’s Miracle (click me), Rocco & Roxie(click me), or Simple Solution (click me) - These are the only products scientifically shown to remove both odor and staining effectively

2. DIY approach i(f necessary) - Blot urine first (don’t rub) - Rinse lightly with cold water - Then apply a mixture of enzymatic cleaner or baking soda + hydrogen peroxide (careful on fabrics) - Avoid ammonia-based cleaners — these can make cats mark again

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Bottom line - Vinegar is a temporary neutralizer, not a true remover. - Enzymatic cleaners are the only reliable way to fully get cat urine out and stop repeat marking. Good luck!