May 1, 2017 clumping clay cat litter

Is Clumping Clay Cat Litter Bad for Cats?

Clumping clay cat litter – a healthy choice or something else?

There’s a certain feeling about clumping clay cat litter floating through the natural cat care world – an indistinct sense that there’s something wrong, perhaps even sinful, about this staple cat product.

At first glance, clay cat litter looks just fine. Bentonite clay is natural enough – I mean, you can literally dig it out of the ground, meaning that it’s about as simple and pure as a garden-fresh carrot – and it’s obviously worked pretty well for the last several decades. And unlike another cat care staple that has plain, simple, and totally obvious links to prominent feline health issues, clay cat litter seems to have a pretty clean history…

…Doesn’t it?

Sometimes sinister hearts lie behind benign exteriors. So that you don’t have to wade through the murky sea of superstition and Meownnchausen by proxy, I’ve decided to do the research for you. The goal? To find out if there’s really something terrible about clay cat litter or if it’s a healthy choice for our cats.

fake cat using natural cat litter
Ahhhh! Natural grass litter is so much better than that vile clay stuff!

When did we start using clay cat litter?

Sometimes knowing about something’s origins can help you to judge it.

For most of feline history, most cats lived outdoors and thus, used the dirt of nature as their litter and litter box. Prior to the creation of the first clay cat litter, if your cat had to use the toilet indoors, the litter box would be filled with dirt, sand or even ashes. In 1947, a man named Ed Lowe realized that fuller’s earth – a blend of clay materials that has long been used to extract grease and other impurities from cloth – was a highly effective and marketable receptacle for cat excreta. The first bags of “Kitty Litter” were rejected by stores because they were just too expensive at 69¢ per 5lb bag. But as you’ve guessed, the product eventually caught on.

Where does clay cat litter come from?

Clumping clay cat litter typically starts somewhere like this:

Most clumping clay cat litter is primarily made from sodium bentonite clay. Besides cat litter, this naturally absorbent clay’s uses include lining the bases of landfills, absorbing grease, and even clarifying wine.

 

Betraying its mother?

As you saw above, in order to get this stuff out of the ground, you need to mine it. Strip mining is the most profitable technique and involves stripping off the top layer of earth in order to access the clay below. This involves clear cutting trees and the use of explosives to loosen the rocks and soil that stand guard over the bentonite. This process can destroy natural habitats and scar landscapes.

 It does WHAT inside of your cat?

Sodium bentonite clay swells up to 15 times its volume when it comes into contact with liquid. That’s why you shouldn’t flush it down the toilet – that could cause some serious plumbing issues. Similarly, this non-biodegradable clay would expand in the same manner if your cat ingests it. And although few cats eat cat litter as a snack, they all could ingest it in varying quantities through regular grooming. Once within their body, the clay could expand and create a hard mass inside the digestive tract. This can be a very, very bad thing. While there is little in the way of formal research when it comes to this issue, there is a huge amount of anecdotal evidence that sodium bentonite litter can be deadly when ingested.

The clay forms a solid mass in the cat’s digestive tract, causing dehydration and malnutrition and eventually leading to death.

Oh, it’s also a known carcinogen.

Sodium bentonite litter produces varying amounts of silica dust – which is a known carcinogen. Inhaling this dust could be dangerous for your cat – and you.

So is clumping clay litter a terrible choice for cats?

There’s a reason why clumping clay cat litter is the most popular type of litter on the market. Unlike many of the natural alternatives out there, clay litter is cheap, effective, and it’s extremely simple to use. However, it’s not without its flaws, as we’ve seen. From its harsh environmental impact to stories of kittens developing mysterious intestinal masses, pooping clay, and then dying, to the fact that its dust is a known carcinogen, clumping clay litter’s convenience comes at a price.

There are other cat litter options available.

Featured image credit: By CambridgeBayWeather (Own work) [CC BY-SA 3.0 (http://creativecommons.org/licenses/by-sa/3.0) or GFDL (http://www.gnu.org/copyleft/fdl.html)], via Wikimedia Commons

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