Litter tray cleaning: how often?

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Litter tray cleaning: how often and how to do it properly?

Founder Prime AnimalZ · 15 January 2026 · 5 min read

Quick answer

Scoop your litter tray at least once a day. With multiple cats, twice a day. Deep-clean every 1 to 2 weeks. Cats avoid a dirty tray — an unclean litter box is the leading cause of cats toileting outside the tray.

✓ 1 cat: scoop once daily, deep-clean once a week
✓ 2 cats: scoop twice daily, deep-clean twice a week
✓ Avoid citrus or pine-based cleaners
✓ A self-cleaning litter box dramatically reduces maintenance

Cleaning the litter tray is not glamorous — but it has a direct impact on your cat's behaviour and health. Cats have a sense of smell tens of thousands of times more sensitive than a human's. A tray that smells "not that bad" is already a reason for your cat to go elsewhere.

The vast majority of cats toileting outside the tray is directly linked to an unclean litter box. Not a behavioural problem — simply: the tray had not been cleaned for too long.

How often should you clean the litter tray?

It depends on how many cats you have and what litter you use. Clumping litter (bentonite) is easier to scoop daily.

Situation	Daily scooping	Full clean
1 cat	At least once	Once a week
2 cats	Twice a day	Twice a week
3+ cats	2–3 times a day	Every 3–4 days
Kitten (<6 months)	After every visit	Twice a week
Senior cat (10+ years)	Twice a day	Once a week

Step by step: how to deep-clean your litter tray

Daily scooping is one thing. A full clean is different — and most people do not do it quite right.

Empty and discard old litter Dispose of all litter in a sealed bag. Not down the sink — clumping litter blocks drains.
Rinse with warm water Rinse with warm water and let soak briefly. Avoid cold water.
Scrub with mild soapy water Use washing-up liquid or baby soap, fragrance-free. Scrub with a brush kept exclusively for the litter tray.
Rinse thoroughly Soap residue has a scent that puts cats off. Rinse until the water runs clear.
Dry and add fresh litter Dry with a cloth or air-dry. Fill with fresh litter — 5 to 7 cm deep for clumping litter.

What not to use: Citrus and pine cleaners (bleach, Pine-Sol) are toxic to cats. Bleach leaves chemical residues in the plastic. Warm water and mild soap is all you need.

Self-cleaning litter box: how does maintenance change?

A self-cleaning litter box removes clumps automatically after every visit — that changes the routine considerably:

Task	Standard litter tray	Self-cleaning litter box
Daily scooping	✗ Required daily	✓ Automatic
Empty waste drawer	N/A	Once a week (1 cat)
Full clean	Weekly	Once a month
Odour control	Depends on scooping frequency	✓ More consistent — clumps removed before odours form
Time per week	~25 minutes	~5 minutes

Our recommendation

The self-cleaning litter box is the most direct upgrade for cat owners who want to eliminate the daily scoop. It rotates automatically after each visit, collects clumps in a sealed waste drawer, and keeps your home odour-free.

No more daily scooping

Self-Cleaning Litter Box

Automatic cleaning · Odour filter · App notifications · Large size

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Frequently asked questions

How do I know when the litter tray is really too dirty?

If you can smell it from another room, it has already been too long for your cat. Rule of thumb: if you would not want to use it yourself, your cat does not either.

Which litter is easiest to clean?

Clumping bentonite granules are by far the easiest — compact and simple to scoop. For everyday convenience: choose clumping litter.

My cat is going outside the tray — is it always about cleanliness?

Not always, but it is the most common cause. Other reasons: UTI, bladder pain, tray too small, high entry, wrong location. Check cleanliness first — if unresolved, see a vet.

How deep should the litter be?

At least 5 cm, ideally 7. Too little = cat digs on the tray floor = more chance of going outside. Many owners do not top up enough.

Automate the water too

A self-cleaning litter box sorts the toilet. A water fountain sorts the water. Together, your cat's basic needs are always covered.

Browse water fountains →