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The 5 Best Cat Litters in 2022


Cat litter FAQs


Shoshi Parks / Business Insider


What type of cat litter is best?

Litter preferences vary from cat to cat, according to Dr. Karen Sueda, veterinary behaviorist at VCA West Los Angeles Animal Hospital, but every feline wants a toileting substrate they can easily dig and cover their waste in. Cats with sensitive feet may avoid using litters with sharper granules, such as crystal or pellet formulas.


What is the difference between clumping and non-clumping litters?

Clumping cat litters, including those made from clay, corn, wood, and grass, form solid masses when they come into contact with urine, and those must be removed from the litter daily.

Non-clumping litters absorb urine, but instead of forming clumps, the granules of silica, wood, or paper become saturated and gradually break down over time. On each cleaning, the substrate must be stirred to distribute the ammonia in the box. There is no difference between how non-clumping and clumping litters interact with solids — feces must still be scooped daily.

Both clumping and non-clumping litters manage bad smells. In the case of clumping formulas, urine is removed through daily scooping. In non-clumping formulas, urine accumulates in the box over time. Clumping litters can be topped off with additional litter as needed, but boxes filled with a non-clumping litter must be completely emptied and refilled after a period of two to seven weeks, depending on the brand and type of litter.


Is there a dust-free cat litter?

Dusty natural and clay litters can be problematic for both cat and human. Dust may cause sensitive cats, particularly those with allergies or respiratory issues like


asthmatic

, to cough, sneeze, or wheeze during or after using their litter. It can produce the same effect in humans when filling or scooping the box. While no litter is completely dust-free, those that produce very little dust are less likely to have unintended respiratory effects.


Is fragrance-free cat litter better?

Because cats have an extremely strong sense of smell, the scent of a litter is a significant factor in whether they will use or avoid a


litter box

, according to Dr. Christine Calder, veterinary behaviorist at Midcoast Humane. Even a natural scent may deter a cat. Calder, Sueda, and Tannert all recommended sticking to an unscented variety.


Is flushable cat litter actually flushable?

One of the purported benefits of some natural


cat litter

varieties is that they can be flushed in the toilet. But just because you can flush natural cat litter doesn’t mean you should, and not just because low-flush toilets and pipes made for human waste often can’t handle clumps without clogging.

Cat waste can contain Toxoplasma gondii, a parasite that causes flu-like symptoms at best and, at worst, fetal development disorders, brain damage, and premature birth in babies. Water waste treatment plants are unable to filter out this harmful parasite and it can end up in treated water that’s released back into the environment, harming fish, killing native plants, and making recreation areas unsafe. Scientific studies have found that T. gondii especially poses a threat to marine mammals like sea otters.


How many times a day does a cat normally use the litter box?

On average, cats urinate two to four times a day, but according to Sueda, this can vary from cat to cat. Cleaning litter boxes at least once daily can help guardians determine if there’s a change in frequency, which may indicate a health problem.

Typically, cats defecate one to two times a day, but this, too, can vary from cat to cat. Like with urination, sudden changes in frequency may indicate a health problem.


What size and how many litter boxes do I need?

A litter box should be at least 1.5 times the length of a cat, large enough for them to comfortably scratch and bury their waste. The standard rule of thumb is to have one litter box per cat plus one extra, and ideally one on each floor of a home. A home with multiple cats, however, may be able to get away with fewer extra-large litter boxes as long as they are cleaned at least twice a day, according to Sueda. See our guide to the best litter boxes for more on this.


What does it mean if a cat stops urinating?

If a cat stops urinating altogether, it is likely they are experiencing a feline urinary tract disease (FLUTD) such as bladder inflammation or urinary stones or crystals. Male cats are particularly susceptible to the latter. “Male cats have a very narrow urethra, so crystals and mucus can form a plug or a single tiny stone may become lodged anywhere along this narrow tube,” said Tannert.

If a cat is unable to urinate, deadly toxins begin building up. Death can occur if the blockage isn’t removed by a veterinarian within 24 to 48 hours. If a veterinarian rules out medical problems like FLUTD, anxiety may be the culprit, a problem a veterinary behaviorist is best equipped to handle.


What does it mean if a cat goes outside the litter box?

According to Calder, cats that eliminate outside the litter box are engaging in one of two behaviors: toileting or marking. In toileting (also called inappropriate disposal), a cat has found a place to do their business outside of the litter box. Sometimes, this behavior occurs when a cat does not like the location or size of their litter pan, the type of litter in the pan, or the cleanliness of the litter.

Other times, going outside the box is related to anxiety (for example, a cat who worries about being ambushed by another pet while using the litter box may stop using it altogether) or to a medical problem such as FLUTD. A cat may also choose to go outside of the litter box if they find a spot that satisfies their need to scratch and bury their waste, such as a pile of dirty laundry or a potted plant.

Whereas toileting typically occurs on horizontal surfaces, marking occurs on vertical surfaces. Instead of squatting, when a cat marks they back up with a raised tail to spray their pheromones. “Marking cats are trying to communicate something, and most have some kind of conflict or anxiety,” said Calder. Cats that mark are typically intact males, but fixed males and females can spray, too.



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