Kitty Litter

From Sand to Clay

Kitty litter is an essential product for cat owners, providing a convenient and sanitary solution for managing feline waste indoors. Its primary functions include absorbing moisture, controlling odor, and facilitating easy waste removal. Over the decades, kitty litter has evolved from simple materials like sand and ash to sophisticated products incorporating clumping agents,

odor neutralizers, and various natural and synthetic components. This evolution has greatly improved the living conditions for both cats and their human companions. The modern concept of cat litter was invented in 1947 by Edward Lowe, a significant development that revolutionized pet care. Before this invention, cat owners typically used sand, dirt, or ashes in litter boxes, which were ineffective at controlling odor and difficult to clean.

Ed Lowe served in the Navy in WWII and was discharged April 1, 1946.

Lowe’s innovation began serendipitously when a neighbor asked for sand to use in her cat’s litter box, and Lowe suggested she try absorbent clay instead. The clay, known as Fuller’s Earth, proved to be excellent at absorbing moisture and controlling odor, thus paving the way for the commercial cat litter industry. Edward Lowe’s career is a classic example of entrepreneurial ingenuity. Born in 1920, Lowe served in the Navy during World War II before joining his family’s industrial absorbents business. The idea for cat litter came when he was trying to find new uses for Fuller’s Earth, a clay his family’s company sold.

Recognizing the product’s potential, he began packaging and selling it under the brand name “Kitty Litter,” initially giving away samples to generate interest. Lowe’s marketing strategies were innovative; he persuaded pet stores to stock Kitty Litter and even offered retailers a money-back guarantee if the product did not sell. His efforts paid off, and by the 1950s, Kitty Litter had become a household name. Lowe continued to innovate in the pet care industry, expanding his product line and contributing to advancements in litter technology.

He founded Edward Lowe Industries, which became a leader in the pet products market. Lowe’s vision and business acumen were instrumental in shaping the modern pet care industry. Since Lowe’s initial invention, cat litter products have diversified and improved significantly.


Cat litter clumps due to the presence of bentonite clay, which has natural swelling properties. When bentonite clay comes into contact with moisture, such as cat urine, it absorbs the liquid and expands, forming a solid mass or clump. Bentonite usually forms from the weathering of volcanic ash in seawater, or by hydrothermal circulation through the porosity of volcanic ash beds, which converts (devitrification) the volcanic glass (obsidian, rhyolite, dacite) present in the ash into clay minerals. This clumping action makes it easier to scoop out waste while leaving the clean litter behind, thus maintaining a fresher environment for the cat and reducing odors. The clumping property is a result of the molecular structure of bentonite, which allows it to absorb several times its weight in liquid, making it an effective material for this purpose. It is also used to absorb oils and grease.


The 1980s saw the introduction of clumping litter, which allowed for easier removal of waste and improved odor control. Made from bentonite clay, clumping litter forms solid clumps when wet, which can be easily scooped out, making it a preferred choice for many cat owners. In recent years, there has been a push towards more environmentally friendly options. Biodegradable litters made from materials like recycled paper, wood, corn, and wheat have entered the market,

catering to eco-conscious consumers. Additionally, advancements in odor control, dust reduction, and antimicrobial properties have further enhanced the functionality and appeal of modern cat litters.

The invention of cat litter by Edward Lowe marked a significant milestone in pet care, providing a convenient and effective solution for indoor cat hygiene. Lowe’s entrepreneurial spirit and innovative marketing strategies not only established a new industry but also continually advanced it through ongoing improvements and diversification.

Today, cat litter is an indispensable product for millions of pet owners, reflecting decades of innovation and adaptation to meet the evolving needs of consumers and their feline friends.


Best Kitty Litter

Dr. Elsey’s Ultra Unscented is one of the best rated cat litters. It forms sturdy clumps and contains odors, and it’s one of the more affordable options. But the bag is awkward to pour from, and clumps may stick to the bottom of the litter box. Arm & Hammer Super Scoop Clumping Litter has less dust and tracking, but weaker clumps. This litter is great at controlling odors, and it produces less dust than most other clay litters tested.

Clumping or non-Clumping?

Choosing between clumping and non-clumping kitty litter depends on various factors including convenience, odor control, and your cat’s health needs. Clumping litter, made from materials like bentonite clay, forms solid clumps when wet, making it easier to scoop out urine and feces, thus improving odor control and requiring less frequent complete litter changes. However, some cats may have sensitivities or allergies to the dust produced by clumping litters, and ingesting clumping litter can be harmful, especially for kittens. Non-clumping litter, often made from materials like clay, recycled paper, or wood, absorbs moisture but does not form clumps, requiring more frequent changes but generally producing less dust. Veterinarians often recommend clumping litter for its ease of cleaning and odor control but advise monitoring for any adverse reactions in cats. Ultimately, the best choice depends on your cat’s preferences and health, as well as your convenience.

But its clumps were weaker than those of our top pick. World’s Best Cat Litter Multiple Cat Unscented ia a hardworking non-clay litter. This corn-based litter clumps well and produces minimal dust, but it doesn’t control odors as well as clay litters. Of the non-clumping products, Pretty Litter Ultra-Premium Cat Litter is highly absorbent for liquid waste, detects changes in urine pH, is lightweight, and has very fine granules. Cat’s Pride Premium Fresh & Clean Clay Litter is highly absorbent for liquid waste, helps control urine odors,

and is slightly larger granules than some. Purina Tidy Cats Non-Clumping 24/7 Performance, has a long-lasting odor control for urine and ammonia, absorbs large volumes of liquid.



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Author: Doyle

I was born in Atlanta, moved to Alpharetta at 4, lived there for 53 years and moved to Decatur in 2016. I've worked at such places as Richway, North Fulton Medical Center, Management Science America (Computer Tech/Project Manager) and Stacy's Compounding Pharmacy (Pharmacy Tech).

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