Litter Boxes, Trays and Toilet Habits

Most litter problems are setup problems, not "spite". Get the basics right and you prevent a lot of carpet disasters.

How Many Litter Boxes?

A common rule is one litter box or box per cat, plus one extra. Two cats need three. They don't all need to be in the same room, as spreading them reduces guarding and queuing.

Size and Type

• Bigger is better, as many cats dislike cramped covered boxes.
• High-sided boxes help messy diggers, while easy-entry helps kittens and seniors.
• Covered boxes can trap smell and make some cats uneasy. They're fine if your cat accepts them, but not mandatory.
• Liners are optional, and some cats shred them.

Where to Put Them

• Quiet, accessible places, and not beside roaring washing machines if you can avoid it.
• Away from food and water.
• On each floor of a multi-story home if the cat uses those floors.
• Don't hide the only box behind a constantly closed door.

Litter

Clumping, non-clumping, wood, recycled paper, and silica all work, but cats care more about consistency and cleanliness than your preference. Stick to what they know when they first arrive, change type gradually if needed.

Avoid strong scents if your cat is fussy. Depth matters too. Use enough to dig in (a few centimeters, about an inch, for many litters), not a token sprinkle.

Cleaning Routine

• Scoop solids and clumps daily.
• Top up litter as needed.
• Fully empty, wash the box, and refill on a regular schedule (weekly is a common rhythm, adjust to smell and use).
• Use hot water and mild detergent, rinse well. Heavy disinfectant smells can put cats off.

Accidents and What to Check

If a previously reliable cat goes outside the box:

1. Medical first. Urinary issues, constipation, arthritis (hard to climb in) need a vet, especially with straining, blood, or frequent trips.
2. Cleanliness. Would you use it?
3. Competition. Another pet blocking access?
4. Change. New litter, new location, new baby gate, quieter before?
5. Type/size. Try a larger open box in a calmer spot.

Clean accidents with an enzymatic cleaner. Don't punish, because it increases anxiety and makes things worse.

Kittens

Expect training time. Put them in the box after meals and naps. Keep them close to the box in early days. Praise use, clean misses without drama.

Quick Checklist

• [ ] Enough litter boxes (n + 1)
• [ ] Scoop daily
• [ ] Quiet locations, away from food
• [ ] Vet check if habits suddenly change
• [ ] Same litter as previous home when a new cat arrives, if known

See also Kitten vs adult · Vet checks · Care guides