World's Best Cat Litter
World's Best Cat Litter

Best cat litter

World's Best Cat Litter offers the best of both worlds: biodegradability and clumping action. Because it clumps on contact with urine, the litter box is easier to clean. It's made out of ground corn, so it can be flushed or composted. It's a little pricey compared to economy litters, but experts and owners largely say its benefits make World's Best worth its premium cost.

$23.99
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WORLD'S BEST CAT LITTER 391032 Clumping Litter Formula 28-Pound
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Feline Pine
Feline Pine

Biodegradable cat litter

If you're looking for an all-natural cat litter that's effective, biodegradable and affordable, experts and owners alike say Feline Pine is worth considering. Not every reviewer is sold on pellet litters like this one, and even fans say its best when paired with a special litter pan, but Feline Pine is free from hazardous chemicals, does a great job controlling odors, and is relatively dust free.

$9.16
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Feline Pine Original Litter, 20 Lbs
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Dr. Elsey's Precious Cat Ultra
Dr. Elsey's Precious Cat Ultra

Best clumping clay litter

If a biodegradable litter is just too pricey -- or too unacceptable to your cat -- Dr. Elsey's Precious Cat Ultra is easily the top choice among clumping clay cat litters. It's relatively low in dust, tracking is well controlled and it is relatively inexpensive. Precious Cat Ultra also clumps strongly, making it easier to maintain a sanitary litter box.

$16.14
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Precious Cat Ultra Premium Clumping Cat Litter, 40 pound bag
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Dr. Elsey's Precious Cat Attract
Dr. Elsey's Precious Cat Attract

Cat litter for problem cats

If litter-pan reluctance is a problem with your cat, Dr. Elsey's Precious Cat Attract could be the solution. It's a favorite among veterinarians and cat experts, who say this herb-scented, clumping cat litter does a great job encouraging proper behavior with cats that tend to urinate outside the litter box. It's also perfect for training kittens to use the litter box.

$25.89
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Precious Cat Cat Attract Problem Cat Training Litter, 40 pound bag
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Fresh Step Crystals
Fresh Step Crystals

Crystal cat litter

While feline experts are leery of crystal-based cat litter because it can be hard on a cat's feet, cat owners posting at user review sites praise Fresh Step Crystals. It does an excellent job of absorbing moisture and controlling odors. Though the upfront price seems high, owners say a small 8-pound bag can last a while, making it an economical choice in the long run.

$21.19
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Fresh Step Crystals, Premium Cat Litter, 8 Pound Bag
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See a side-by-side comparison of key features, product specs, and prices.

Cat litter comes in many different styles

Choosing a cat litter might not seem like a big deal at first glance; after all, you're just filling up the litter box so a cat can do its business -- right? But most cat owners, as well as cat experts, cannot stress enough the importance of choosing the right cat litter for your pet. There are many different types of cat litter, each with their own strengths and weaknesses, as well as concerns regarding the cats' health or the health of the environment. Also, keep in mind that a cat can be a stubborn beast; once it gets used to one type of litter, it may not want to switch.

Cat litter absorbs urine and covers solid wastes from when your cat uses the bathroom -- i.e., the litter box. Cat litter can be separated into two main categories: clumping and non-clumping. Clumping kitty litter hardens on contact with urine, creating solid -- and aptly named -- clumps. This makes it easy for pet owners to scoop out the wastes. Non-clumping cat litter typically absorbs the liquid wastes, which don't need to be scooped out -- but an obvious disadvantage of non-clumping litters is that they can make a litter box harder to clean. You should always scoop out solid wastes daily for both types of cat litter.

The most popular types of kitty litter are clumping clay litters, one reason being the price; they're drastically less expensive than many of the other types available, such as natural, biodegradable cat litter. Most are effective at controlling odors -- a key concern when choosing a litter -- and they make cleaning out the litter box much more painless. However, most consist of fine-grained clays, which can be dusty or even tracked throughout the house by a cat. Fine-grained cat litter isn't appropriate for kittens under 3 months old, as the small particles can get into their respiratory tract. Clay-based cat litter isn't biodegradable and should never, ever be flushed down the toilet for disposal.

There has been much furor raised by suspicious pet owners over clumping clay litters. This is because they use a chemical called sodium bentonite as the clumping agent, which is suspected to have adverse health effects on cats. But these claims -- according to myriad feline-health professionals -- are largely unfounded. Jacque Lynn Schultz, an adviser at the American Society for the Prevention of Cruelty to Animals (ASPCA), debunks this notion in an article posted on Petfinder.com, citing the director of Cornell University's Feline Health Center, who says he has seen no adverse health impact on cats from using clumping clay litters.

Over the past few years, organic, biodegradable cat litters have become increasingly popular, as they have certain advantages over clumping clay litters. For one, they're more eco-friendly, as they're made from all-natural cat litter substances, which can include materials like wheat, corn, grass, walnut shells, pine or even recycled newspapers. Because of this, they are flushable and can even be composted. Another plus is that biodegradable cat litter typically consists of larger-grained pellets, which in turn makes for acceptable kitten litter, since kittens can't ingest the particles. Many biodegradable cat litters come in clumping varieties -- though you can expect to spend a lot more on a clumping organic litter than you would on a clumping clay litter.

Less frequently reviewed are crystal cat litters. Cat owners praise this type of litter in user reviews on online retailer sites, but experts typically dislike crystal cat litters because they consist of jagged, crystalline particles that can be rough on cats' feet. On the other hand, many pet owners swear by crystal cat litters because they're extremely absorbent -- thanks to the sodium silicate or silica gel used -- and don't need to be changed as frequently as other types of kitty litter. One caveat: When the crystals reach their absorbency limit, you can expect a pool of urine in the bottom of the cat litter box.

Finding the best cat litter

While there are no scientific, side-by-side comparisons of specific cat litters, there are plenty of experts who like to weigh in on the topic and offer a lot of helpful information. We looked at what these cat professionals, experts and lovers had to say, as well as analyzing user reviews from all over the web. We used this information to identify the best cat litters by type -- clumping clay, biodegradable and crystal -- as well as clumping biodegradable options and alternatives for cats with special needs. Editors break down cat litters by their effectiveness, environment factors and value; top picks earn Best Reviewed status.

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