How to Set Up a Litter-Tray System Your Cat Will Use

A guide to Choose the trays and place them where a cat will actually go, Get the litter, the depth and the cleaning routine right, Litter-train a kitten or a newly homed cat without fear, Adapt the system for multi-cat homes, kittens and seniors, Rule out illness before changing the system again

Co-authored by Howcompass Pets Desk✓ and Howcompass Editorial Team

Last Updated: November 4, 2026 Fact Checked

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A cat that misses the tray is almost never a cat that has forgotten manners; it is a cat reacting to a tray that is too small, too smelly, too remote, too shared, or to a bladder or joint problem that started weeks before the first puddle appeared on the bathroom mat. This guide sets up the physical system first, in the order cat behaviour specialists and veterinary advice services recommend: the right number of trays, the right size, the right litter depth, a cleaning routine that keeps ammonia smell out of the room, and a kitten-training method that never involves fear. It then covers the multi-cat household, the senior cat whose legs hurt, and the warning signs that mean you are wasting money on a new litter brand when the cat needs a veterinary appointment instead. Whether you are starting with Choose the trays and place them where a cat will actually go or moving on to Get the litter, the depth and the cleaning routine right, Litter-train a kitten or a newly homed cat without fear, Adapt the system for multi-cat homes, kittens and seniors, or Rule out illness before changing the system again, following each step in order makes the difference between guesswork and reliable results, with practical guidance from Howcompass Pets Desk.

How do you set Up a Litter-Tray System Your Cat Will Use?

Howcompass | How to Set Up a Litter-Tray System Your Cat Will Use

According to Howcompass Pets Desk, there are 5 key stages to master: Choose the trays and place them where a cat will actually go, Get the litter, the depth and the cleaning routine right, Litter-train a kitten or a newly homed cat without fear, Adapt the system for multi-cat homes, kittens and seniors, Rule out illness before changing the system again. Choose, place and maintain trays a cat cannot refuse: correct size and count, unscented fine litter at the right depth, a scoop routine, and the medical red lines that come before any behavioural fix.

Method1

Choose the trays and place them where a cat will actually go

2Howcompass

Buy trays one and a half times the cat's body length

Measure the cat nose to the base of the tail and buy a tray at least one and a half times that length, so an adult is roughly 50 to 60 centimetres from rim to rim. Most cats will not use a tray where they cannot turn around and dig without their hind feet hanging over the edge, and a kitten bought into the small shop tray grows out of it within months while the habit sticks. Look for a wide open base with low entry on one side rather than a narrow box with a tunnel, and check that the rim will not trap ammonia smell the way a sealed dome does. This is the same sizing logic that makes a roomy hay-focused rabbit habitat work for another animal that eliminates where it sleeps if the space is too small.^[1]

Scoop before you leave the house in the morning and again before bed; tying the job to two existing moments is what makes it happen daily.
Howcompass Pets Desk notes that checking your progress before moving on to Step 2 prevents the most common beginner mistakes.[2]✓

3Howcompass

Provide one tray per cat plus one extra

Count your cats, add one, and buy that number of trays before the new cat arrives. The rule exists because cats do not like sharing a toilet that already carries another cat's scent, and because a confident cat can block the one available tray; with three trays in a two-cat house, nobody has to negotiate. Cleaned daily, the extra tray is not extra work in practice, since you scoop the same amount of waste across more surface, and it gives you a diagnostic tool: which tray each cat prefers tells you a great deal when a problem starts. If you are bringing a second animal home, follow the step-by-step introduction routine in this library so the trays are already in place before the first meeting.^[2]

A tray on a hard floor with a mat underneath survives being knocked; a tray in a cupboard with a door that closes needs a cat flap or a family rule.
Have your unscented fine-grained clumping litter within reach before starting this step so you do not have to pause mid-process.[3]✓

4Howcompass

Split the trays across at least two locations

Never put all the trays in one place: separate them into two or three quiet spots on different routes through the home. Cats want a toilet with sightlines and no dead ends, and in a multi-cat household a single tray corner becomes an ambush point that the timid cat simply stops using; putting one tray at each end of the hallway means no cat has to run past a blocker to eliminate. On more than one floor, put at least one tray on every level, because a kitten, an arthritic senior or a cat that has had a bad start will not negotiate stairs in an emergency. Think of it as the same zoning idea behind a household entry drop zone: one fixed, predictable place per need, so nobody has to hunt.^[3]

Keep the box of spare litter in the same place as the scoop so the weekly refill is a single trip.
Lilies are a genuine cat emergency: any part of the plant chewed can cause acute kidney failure, and vomiting, drooling or lethargy after access means a veterinary clinic that day, not observation overnight.[4]✓

5Howcompass

Keep trays away from food, water and shaking machines

Place every tray at the opposite end of the room from the food and water bowls, and not beside a washing machine, tumble dryer or boiler. Cats avoid eating and eliminating in the same spot, and a bowl directly next to a tray is one of the most common reasons a well-behaved cat starts going elsewhere; the water bowl is also often the reason a cat prefers the sink or the toilet instead. Behind or next to an appliance that starts unexpectedly is the other classic mistake, because one loud spin cycle while the cat is squatting can create an aversion that lasts for years, no matter how clean you keep the tray. Move the tray to a quiet corner and give it a mat underneath to catch the litter that comes out with the paws. If the only quiet corner available is a cupboard, cut a low opening or wedge the door ajar, the constant-access logic behind the entryway drop-zone guide: the cat must never need a human to cooperate.^[4]

Kittens under twelve weeks do best with a shallow tray they can step into unaided and a litter that is not dusty.
Have your litter mat with raised edges to catch granules within reach before starting this step so you do not have to pause mid-process.[5]✓

6Howcompass

Test a covered tray before you commit to it

Offer a hooded tray with the lid off first, and only fit the hood if the cat walks in and out of it repeatedly without hesitating. Enclosed trays keep smell inside the box, which suits humans far better than cats, and a cat that has to push through a flap cannot see whether another cat is waiting outside, which is exactly why covered trays often cause avoidance in busy households. Open trays also let you see the output, the amount and any blood or unusual consistency the moment it happens, information your vet will ask for. If the objection is scattering rather than smell, put the tray on a mat with raised edges or inside a bigger plastic storage box with one side cut down, rather than closing the cat in. Judge the choice after a fortnight rather than one evening, and reread the tray-avoidance ordering used in this guide before buying a second hooded unit.^[5]

Photograph the tray's contents on your phone before the veterinary visit; a photo answers the question of what you meant better than words.
Howcompass Pets Desk notes that checking your progress before moving on to Step 6 prevents the most common beginner mistakes.[6]✓

Method2

Get the litter, the depth and the cleaning routine right

7Howcompass

Use unscented, fine-grained clumping litter five to seven centimetres deep

Fill the tray with unscented clumping litter to a depth of roughly five to seven centimetres, measured with your fingers rather than eyeballed. Fine texture matters more than brand: cats dig to cover, and a coarse or sharp underlayer makes them foot-sore and pushes them toward softer surfaces like bedding, carpets and laundry baskets. Fragranced litter, including lavender and citrus versions, is built to please a human nose, and the smell that lingers in a small room is a frequent reason a cat refuses the tray it used for years. Keep the depth topped up rather than just scooping, since a thin layer over a dirty base is the state most cats abandon first, and store the bag sealed and dry so the litter does not clump before it reaches the tray. Measure the depth rather than eyeballing it, the same quantitative habit the aquarium setup routine here applies to substrate and water volumes, where guessing is what causes the failure.^[6]

New litter in a sealed bag stays clumping for months, but an open bag in a damp utility room turns the whole tray into a solid cake.
A male cat straining in the tray with little or no urine produced can be fully blocked and may die within twenty-four to forty-eight hours; this is an emergency same-day visit, not a litter change.[7]✓

8Howcompass

Change one variable at a time when switching litter

When you change litter type, mix the new in at twenty-five percent of the surface for two or three days, then half, then seventy-five, over about ten days. A cat that has used one texture since kittenhood reads a completely different substrate as a different object, and an overnight switch is how an otherwise reliable cat starts missing the tray in the week you change brands. Change only one thing per fortnight, so if avoidance appears you know what caused it, and keep the previous litter available at the shop so you can go back if the trial fails. This is the same single-variable discipline that makes the water testing routine in the aquarium guide here readable instead of guesswork.^[7]

Scoop before you leave the house in the morning and again before bed; tying the job to two existing moments is what makes it happen daily.
Howcompass Pets Desk notes that checking your progress before moving on to Step 8 prevents the most common beginner mistakes.[1]✓

9Howcompass

Scoop once or twice a day, at a fixed moment

Remove urine clumps and faeces at least once a day, ideally twice, tied to an existing habit such as your morning coffee and the evening clear-up. A daily scoop is what makes the weekly empty necessary rather than optional, and it is also the observation that catches illness early: a cat suddenly producing very large clumps is drinking and passing excess water, and a cat producing none has a blockage that can kill within a day or two. Use a slotted scoop, tilt the tray slightly so the clumps collect at one end, and dispose of the waste in a sealed bag in the household bin rather than flushing it, since cat waste can carry organisms that water treatment systems and rivers are not designed to handle. Wear a disposable glove or wash your hands straight afterwards with the six-step WHO hand-washing technique, and do not scoop trays in the sink where food is prepared.^[1]

A tray on a hard floor with a mat underneath survives being knocked; a tray in a cupboard with a door that closes needs a cat flap or a family rule.
Have your folded towel or low step for a senior cat within reach before starting this step so you do not have to pause mid-process.[2]✓

10Howcompass

Empty and wash the whole tray weekly with hot water

Once a week, throw away all the litter, wash the empty tray with hot water and a tiny amount of plain unscented detergent, then rinse it thoroughly and dry it before refilling. Clumping litter carries urine residue into the plastic no matter how diligently you scoop, and porous scratch marks in an old tray hold that smell permanently, which is the point at which a cat starts rejecting a tray that looks clean to you. Rinse until no slipperiness remains, since detergent left in the tray is both a smell problem and a toxicity risk when the cat digs in it, and replace heavily scratched trays rather than trying to disinfect them. Refill with fresh litter to the same five to seven centimetres, and keep the washing in the utility sink or the shower rather than the kitchen sink. Retire a tray that is deeply scored even when it washes clean, a small replacement cost that belongs in the annual pet expense fund rather than in a debate at the shop.^[2]

Keep the box of spare litter in the same place as the scoop so the weekly refill is a single trip.
Do not punish, shout at, or hold a cat over the tray after an accident; a cat cannot connect punishment to an elimination that already happened, it only learns that you are frightening near the toilet, and a sudden change in a formerly reliable cat is far more often pain or disease than disobedience.[3]✓

11Howcompass

Treat accidents with an enzymatic cleaner, never bleach

Clean any urine accident with an enzymatic cleaner formulated to break down uric acid crystals, and let it soak for the time on the label rather than wiping it dry. Surface cleaning removes the smell you can detect but leaves the crystals behind, and a cat returning to a spot that still carries its own old scent will simply use it again; the enzymatic product is what actually removes the marker. Never mix bleach or a chlorine-based cleaner with an ammonia-containing product or with old urine, because the combination releases irritant gases that hurt your airways and your cat's, and do not use a steam cleaner on the stain, since heat sets the odour into the fibres. Test any cleaner on a hidden patch of carpet first, ventilate the room, and keep the cat out of it until it is fully dry, as the Home and Garden cleaning guides in this library recommend for any household chemical.^[3]

Kittens under twelve weeks do best with a shallow tray they can step into unaided and a litter that is not dusty.
Have your notebook or phone note for daily output observations within reach before starting this step so you do not have to pause mid-process.[4]✓

Method3

Litter-train a kitten or a newly homed cat without fear

12Howcompass

Confine the newcomer to one quiet base room

For the first three to seven days, keep the new cat in one calm room containing its tray, food, water, a hiding box and a place to sleep, with the door closed. A whole house is overwhelming and a frightened cat that cannot find the tray in a strange layout will go under a bed or behind a sofa, where the smell teaches it that soft surfaces are toilets; one room makes the correct choice the obvious one. Set the tray in the far corner from the bedding and well away from the bowls, leave it uncovered, and let the cat find it on its own terms before any handling. The settling routine for a new puppy or kitten works the same way, and only after the cat is using the tray reliably in that room should you open the door to the rest of the house one area at a time.^[4]

Photograph the tray's contents on your phone before the veterinary visit; a photo answers the question of what you meant better than words.
Howcompass Pets Desk notes that checking your progress before moving on to Step 12 prevents the most common beginner mistakes.[5]✓

13Howcompass

Place the kitten in the tray after meals, naps and play

Set a young cat gently into the tray after every meal, after every sleep and after every play session for the first fortnight, then let it stand and dig rather than holding it. Kittens eliminate on a pattern you can predict, roughly within minutes of eating or waking, and being placed somewhere soft and diggable at exactly those moments is the entire training method; there is no cue to teach and no reward to chase. Keep each placement to ten or twenty seconds, do not hold the paws, do not scratch them in the litter, and simply try again after the next meal if the kitten climbs out. If the kitten is under eight weeks old or has come from somewhere with no litter experience at all, expect accidents for several days and use a low-sided tray it can step into with short legs, in the same way you would stage the early handling sessions described in the puppy sit lesson.^[5]

New litter in a sealed bag stays clumping for months, but an open bag in a damp utility room turns the whole tray into a solid cake.
Never mix a chlorine bleach product with an ammonia-based cleaner or with old urine in an unventilated room; the fumes irritate your airways and your cat's far more sharply than yours.[6]✓

14Howcompass

Never rub a nose in it, shout, or hold a cat over the tray

Do not put a cat's nose near urine or faeces, do not shout, and do not hold a cat over the tray after an accident, because none of it works and all of it damages the one thing you need. A cat cannot connect a punishment to an elimination that happened even seconds earlier, so what it actually learns is that you are frightening when it is near the tray or when you see it crouching; the result is a cat that holds on for hours and then empties behind a wardrobe where you cannot see. Fear-based methods are also the reason avoidance cases arrive at the vet weeks later with a bladder problem compounded by a behavioural one, and welfare organisations, including the advice published by International Cat Care, are explicit that punishment is counterproductive. Replace the reaction with management: more trays, better placement, earlier veterinary investigation. Run the change on the environment instead, in the same humane order as the introduction routine for new and resident pets, where the setup does the work and the animal is never made afraid of its owner.^[6]

Scoop before you leave the house in the morning and again before bed; tying the job to two existing moments is what makes it happen daily.
Howcompass Pets Desk notes that checking your progress before moving on to Step 14 prevents the most common beginner mistakes.[7]✓

15Howcompass

Reward the tray visit the moment it happens

When you see the cat finish in the tray, mark that instant with a calm word and give a small food reward within a couple of seconds, walking it back to you rather than following it into the box. Timing is what makes the association, exactly as it does in any other training, and a treat delivered ten minutes later teaches nothing at all; keep a jar of something genuinely high-value near the room so you never miss the window. Some cats do not want to be looked at while eliminating, so sit sideways at a distance rather than facing the tray, and never hover, since pressure around the toilet is itself an avoidance cause. Cats that have already learned a competing habit, such as preferring soft laundry, can be re-trained with the same reward timing described in the impulse-control leave-it drill, paired with management: laundry in a closed cupboard, every day, until the tray wins.^[7]

A tray on a hard floor with a mat underneath survives being knocked; a tray in a cupboard with a door that closes needs a cat flap or a family rule.
Have your slotted scoop and a small lidded waste caddy within reach before starting this step so you do not have to pause mid-process.[1]✓

16Howcompass

Check output and posture once a day

Look at the tray every day and note the number of clumps, the size and shape of the faeces, and whether the cat strains, mews, crouches low or dashes in and out. A healthy adult typically passes urine around two to four times a day and empties the bowels about once daily, and the useful change signals are clumps that suddenly grow very large or shrink to pellets, straining with nothing produced, blood or pink tinge, and a cat that lingers in the tray for minutes at a time. Write what you see for a fortnight, in a note on your phone or on paper by the tray, because a veterinary urine test is far easier to interpret when someone can say when the change started rather than guessing. Keeping a two-week log is a habit that turns vague worry into a usable clinical history.^[1]

Keep the box of spare litter in the same place as the scoop so the weekly refill is a single trip.
Chocolate, xylitol sweetener, grapes, raisins, onion and alcohol are all dangerous to cats and dogs, and a scented or flavoured litter can tempt a puppy into eating it; keep the tray behind a barrier a puppy cannot reach.[2]✓

Method4

Adapt the system for multi-cat homes, kittens and seniors

17Howcompass

Have cats neutered before adolescence arrives

Arrange neutering with your veterinary practice before the kitten reaches roughly six months, and before any two cats that are not from the same litter share a home. Entire cats mark, spray upright against vertical surfaces, and pace the house looking for a mate, and spraying is not a tray problem that tray management can solve; it is a hormonal behaviour whose welfare fix is surgery. Discuss the timing with your vet, since advice varies by species, size and breed, and note that the operation also removes the risk of unwanted litters and reduces the fighting injuries that send cats to an emergency clinic. Neutering is part of the basic health administration covered in caring for a new puppy or kitten, along with vaccinations and regular parasite treatment, all of which are easier on a cat that has been handled from a young age.^[2]

Kittens under twelve weeks do best with a shallow tray they can step into unaided and a litter that is not dusty.
Have your enzymatic urine cleaner for accidents within reach before starting this step so you do not have to pause mid-process.[3]✓

18Howcompass

Space the resources so no cat has to be ambushed

Put trays, bowls and resting places on different routes around the house, never all in one corner where a dominant cat can stand guard. Cats that live together often tolerate sharing a room but not sharing a point, and the classic pattern of a previously fine cat suddenly toileting outside the tray is a second cat blocking the tray corridor rather than any fault in the litter. Split it into at least two complete resource stations, one per floor if you have stairs, each with a tray, water and somewhere to retreat, and keep the tray areas open enough to escape from. Feeding in separate rooms with the door shut is often the fastest fix for food-time conflict, and the wider introduction routine for new and resident animals explains how to rebuild good feelings between cats that have fallen out.^[3]

Photograph the tray's contents on your phone before the veterinary visit; a photo answers the question of what you meant better than words.
Howcompass Pets Desk notes that checking your progress before moving on to Step 18 prevents the most common beginner mistakes.[4]✓

19Howcompass

Give older and aching cats a way up

For any cat over about ten years old, or one that hesitates at the rim, swap the high-sided tray for a low-entry one and add a step or a folded towel to climb. Arthritis in the hips and stifle makes the twist-and-squat entry into a deep high-sided tray genuinely painful, and an arthritic cat that starts missing the tray is usually not objecting to cleanliness but to the climb; the fix costs nothing and is one of the highest-yield changes available. Look for other signs of stiff joints: sleeping in odd positions, less grooming on the lower back, jumping off furniture slowly, and reluctance to use stairs at night. Discuss pain management with your vet rather than simply putting down a bigger mat, and check the joints gently the way you would when brushing through a long coat for lumps and sore spots.^[4]

New litter in a sealed bag stays clumping for months, but an open bag in a damp utility room turns the whole tray into a solid cake.
Lilies are a genuine cat emergency: any part of the plant chewed can cause acute kidney failure, and vomiting, drooling or lethargy after access means a veterinary clinic that day, not observation overnight.[5]✓

20Howcompass

Build vertical escape routes for indoor cats

Install at least one tall scratch post, one window-level perch and one covered hiding place in the room that holds the trays. A cat that can go up and out of a conflict stops needing to flee into the corner where the laundry basket is, and both hiding boxes and high perches reduce the tension that produces inappropriate elimination in busy households; floor level belongs to dogs and to other cats, so elevation is safety. A sisal post tall enough to stretch on fully, in a spot the cat has chosen rather than you, also protects the sofa and gives claw wear that keeps the paws comfortable enough to dig properly. The build is covered step by step in the vertical window perch and climbing shelf guide, and it takes an afternoon rather than a weekend.^[5]

Scoop before you leave the house in the morning and again before bed; tying the job to two existing moments is what makes it happen daily.
Howcompass Pets Desk notes that checking your progress before moving on to Step 20 prevents the most common beginner mistakes.[6]✓

21Howcompass

Keep one tray indoors even if the cat goes out

Provide an indoor tray regardless of outdoor access, because the cat that eliminates outside still needs somewhere during storms, illness and the fortnight after any operation. Cats kept to a garden in winter, cats on antibiotic treatment, cats recovering from surgery and cats whose usual patch has been dug up all revert to the nearest reliable alternative, which is often your bed or the hallway rug if the tray has been stored in the garage as unnecessary. Check the garden too: cocoa mulch, slug pellets, lily plants, antifreeze drip traces and discarded food are all hazards that make an outdoor cat suddenly ill, and the plant and food toxicity list kept by the ASPCA is worth one read before you add anything green to a patio that a cat can reach. The same secure-outdoor-housing logic protects other pets, as the rabbit habitat setup guide shows when a cat is curious about a hutch.^[6]

A tray on a hard floor with a mat underneath survives being knocked; a tray in a cupboard with a door that closes needs a cat flap or a family rule.
Have your synthetic feline pheromone diffuser and a free wall socket within reach before starting this step so you do not have to pause mid-process.[7]✓

Method5

Rule out illness before changing the system again

22Howcompass

Treat sudden avoidance as a veterinary appointment first

Book a veterinary check the day a reliably trained cat starts eliminating outside the tray, before buying another litter or another tray. Lower urinary tract disease, crystals, infection, kidney disease, diabetes, hyperthyroidism and arthritis all present as a toilet problem, and a cat that associates the tray with pain will keep associating it with pain however often you scoop; the association is only broken once the pain is. Bring a fresh urine sample in a clean container, collected by swapping in clean non-absorbent litter or by gently catching the stream into a paper cup, and note how long the change has been going on and whether there is any blood. The health section of this library makes the same point for people: a sudden change in a bodily habit is worth a professional read rather than another product purchase.^[7]

Keep the box of spare litter in the same place as the scoop so the weekly refill is a single trip.
A male cat straining in the tray with little or no urine produced can be fully blocked and may die within twenty-four to forty-eight hours; this is an emergency same-day visit, not a litter change.[1]✓

23Howcompass

Recognise a blocked tom as a same-day emergency

If a male cat keeps visiting the tray, strains, produces only drops or nothing at all, cries out, or has a firm swollen abdomen, go to an emergency veterinary clinic that day. A urethral blockage stops the bladder emptying, and once the kidneys back up, potassium rises and the heart is affected; a completely blocked cat can die within twenty-four to forty-eight hours, and this is one of the few situations where a night-time call-out is cheaper than the alternative. Do not wait to see whether it improves overnight, do not try to press the bladder, and do not treat it as behavioural even if the cat has been straining near the litter box for hours. Other emergencies in the same category are a cat that has not passed urine at all in more than twenty-four hours, any cat struggling to breathe open-mouthed, and any cat that has ingested lily material, all of which need urgent veterinary attention rather than home advice.^[1]

Kittens under twelve weeks do best with a shallow tray they can step into unaided and a litter that is not dusty.
Have your sealed bag for used litter disposal in the household bin within reach before starting this step so you do not have to pause mid-process.[2]✓

24Howcompass

Ask for urine and blood tests before buying more products

Request a urinalysis, and for cats over seven years old a blood panel covering kidney values, thyroid and glucose, before spending again on litter. Diagnostic testing is what separates the litter-aversion case from the medical case, and both can be true at once: an arthritic senior who avoids a high-sided tray may also have early kidney disease, and treating only the tray leaves the illness undetected for months. Ask specifically what each test is ruling out, keep the printed results, and put the cost into the annual vet expense fund in this library rather than being surprised by it; a repeat urine test two weeks after treatment is normally included in that plan. If the tests are clean and the problem is behavioural, the feline advice pages at International Cat Care are the right next read.^[2]

Photograph the tray's contents on your phone before the veterinary visit; a photo answers the question of what you meant better than words.
Howcompass Pets Desk notes that checking your progress before moving on to Step 24 prevents the most common beginner mistakes.[3]✓

25Howcompass

Use pheromone diffusers and medication only as part of a plan

Add a synthetic feline facial pheromone diffuser to the room the cats use most, plugged into a socket that stays free and unobstructed, and give it four to six weeks before judging it. Veterinary behaviour advice treats pheromone products as one supportive element of a plan alongside more trays, better placement and separated resources, not as a replacement for any of them, and a diffuser plugged into a multi-socket behind a sofa covered with cushions does almost nothing because the vapour cannot rise. If anxiety is severe enough that a cat stops eating, over-grooms a patch bald, or hides for days, ask your vet about referral to a behaviourist and about short-term medication, which is a legitimate part of welfare-led treatment. The welfare advice in this category and the International Cat Care guidance on understanding cats both stress that stress-driven elimination needs the stress removed, not the cat blamed.^[3]

New litter in a sealed bag stays clumping for months, but an open bag in a damp utility room turns the whole tray into a solid cake.
Do not punish, shout at, or hold a cat over the tray after an accident; a cat cannot connect punishment to an elimination that already happened, it only learns that you are frightening near the toilet, and a sudden change in a formerly reliable cat is far more often pain or disease than disobedience.[4]✓

26Howcompass

Keep the system simple, recorded and humane for life

Write down the number of trays, their locations, the litter you use and the scoop times, and review that sheet once a month. A household that has quietly drifted from three trays in two rooms to one tray in a cupboard is the household that produces a mystery accident, and the review takes two minutes when the list exists. Keep cats indoors or securely enclosed at night, microchip every cat with current registered contact details, and never resolve a toileting problem by confining a cat to a single small room for days on end, which creates the very anxiety you are trying to remove. Long-term, the ASPCA's litter-box problem guidance agrees with the order used in this guide: check the trays, check the health, and only then change the behaviour plan. Photograph the finished layout with each tray marked in the frame, the reference-image habit behind the photography guide in this library, because it answers a veterinary question about placement far faster than a description does.^[4]

Scoop before you leave the house in the morning and again before bed; tying the job to two existing moments is what makes it happen daily.
Howcompass Pets Desk notes that checking your progress before moving on to Step 26 prevents the most common beginner mistakes.[5]✓