How to Clean a Litter Box Safely (and Stop the Smell)

Updated 2026 · Pawspruce

How to Clean a Litter Box Safely (and Stop the Smell)

A smelly litter box is the fastest way to a cat that starts peeing outside the box. The fix is a simple routine — and a hard rule about what never goes near it.

The daily scoop

Scoop at least once a day. It controls odor at the source and lets you spot changes in urine or stool that signal health problems early.

The weekly wash

  1. Dump all litter into a lined trash bag.
  2. Wash the box with mild dish soap and warm water.
  3. Rinse with a 1:1 white vinegar solution to neutralize odor and residue.
  4. Dry fully before refilling — moisture clumps litter and grows bacteria.

What to use for odor

  • Baking soda sprinkled in the empty, dry box before adding litter.
  • Vinegar rinse during the wash.
  • An enzyme deodorizer on the surrounding floor.

What never goes near a cat

Never clean a litter box with bleach or pine/phenol cleaners. The combination of ammonia smell and chemical residue can sicken a cat and drive it to avoid the box. Both are on our toxic-ingredients list.

Bonus: the area around it

Cats kick litter onto the floor. Mop that patch weekly with vinegar and water, and wash the mat under the box in the machine with a pet-safe detergent.

A clean box means a cat that uses it — which means no urine on your carpet to begin with.

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