Naturally Fresh Walnut Cat Litter Review Canada 2026: Odour Control and Clumping Tested

Naturally Fresh is a walnut-shell-based clumping cat litter that Ashario Pets carries at our North York store (1111A Finch Ave W, Unit 2). It's made from upcycled walnut shells rather than clay or silica, which makes it a popular eco-friendly pick for GTA cat owners who want strong odour control without heavy dust. In our store we see plenty of customers switching to it after asking about greener, lower-tracking alternatives. Want to jump straight to shopping? Browse our full cat litter collection or explore cat products online.

This review breaks down how Naturally Fresh performs on the three things that actually matter: odour control, clumping strength, and mess (dust and tracking). We'll compare it head-to-head with a clay-based option so you can decide which fits your household. If you're closer to Yonge-Finch and want to feel the texture before you buy, our team is happy to show you a bag in person.

Is Naturally Fresh cat litter good in Canada in 2026?

Yes — Naturally Fresh is a solid choice for Canadian cat owners in 2026, especially those prioritizing a plant-based, renewable litter. Made from upcycled walnut shells, it's roughly 3x more absorbent by volume than traditional clay, produces almost no airborne clay dust, and forms firm clumps. It suits multi-cat homes and owners sensitive to dust.

Key Takeaway: Naturally Fresh walnut litter delivers strong natural odour control and firm clumping with very low dust, making it one of the better eco cat litter options in Ontario for households wanting to move away from clay or crystal litters.

Naturally Fresh offers a few formulas — the classic multi-cat clumping, an unscented version, and lightweight options. Because walnut shells are naturally dark, one bonus our customers notice quickly: you can spot clumps and health-related changes (like unusual urine volume) more easily against the dark granules. Today, this remains one of the most-asked-about "natural litter" lines at our North York location. If you're curious about how litter fits into overall feline wellness, our cat health and wellness section is worth a look — sorry, that's our cat health and wellness collection.

What is walnut cat litter made of?

Walnut cat litter is made from finely ground walnut shells — an agricultural byproduct that would otherwise be discarded. The shells are processed into absorbent granules that soak up moisture and trap odour naturally. There's no clay mining, no added silica dust, and no synthetic clumping chemical required for the base material.

How well does Naturally Fresh control odour compared to clay litter?

Naturally Fresh controls odour well through natural absorbency rather than added fragrance. Walnut shells absorb roughly 3 times their weight in liquid, which traps ammonia at the source. In our in-store testing and from customer feedback, it holds odour for about 5–7 days in a single-cat box before a full change is needed — comparable to premium clay.

Clay litters like Arm & Hammer often rely on added baking soda or fragrance boosters to mask smell. Naturally Fresh leans on raw absorbency and the natural tannins in walnut. Pet owners tell us the unscented version is a favourite for cats that reject perfumed litters — some cats will boycott the box entirely if a scent is too strong. When a customer comes in frustrated that their cat "stopped using the litter box," a fragrance-free natural option is one of the first things our team suggests trying.

According to the ASPCA, sudden litter box avoidance can also signal a medical issue, so if your cat changes bathroom habits abruptly, consult your veterinarian before assuming it's the litter. The American Veterinary Medical Association (AVMA) similarly recommends ruling out urinary tract issues first.

Does Naturally Fresh work in multi-cat homes?

Yes. The multi-cat formula is designed for higher urine and waste volume, and its high absorbency (around 3x its weight) means clumps stay intact under heavier use. For a 2–3 cat household, our North York customers typically report a box change every 7–10 days when scooping daily. The general rule from feline behaviour guidance is one litter box per cat plus one extra.

How firm are the clumps and how much dust does it produce?

Naturally Fresh forms firm, scoopable clumps that hold together on lifting, and it produces very little dust — a major advantage over lightweight clay. In our tests, clumps set within a few minutes and lifted cleanly without crumbling, provided the litter bed is at least 3 inches (about 7.5 cm) deep.

Dust is where walnut litter really pulls ahead. Traditional clay can release fine respirable particles when poured, which matters for cats and owners with respiratory sensitivity. Naturally Fresh is a 99% dust-free plant fibre, so it's a frequent recommendation for asthmatic households. Customers love that the dark granules don't leave a chalky film on nearby surfaces.

Tracking is moderate. Because the granules are lightweight, some pieces do get carried out of the box. A litter mat solves most of this. You'll find cat accessories and supplies that pair well with any litter in-store.

Naturally Fresh vs Arm & Hammer clay litter: side-by-side

Here's how the walnut-based Naturally Fresh compares to a leading clay litter, Arm & Hammer, on the features GTA cat owners ask about most.

Both are carried at our North York store. If pure low-cost odour masking is your priority, clay wins on price. If you want a renewable, low-dust litter with clean clumping and no perfume, Naturally Fresh is the pick. We also stock other natural options like World's Best Cat Litter (corn-based), Naturally Fresh, OdourLock, and Sustainably Yours if you want to compare textures side by side.

How much Naturally Fresh litter do you need and how do you switch?

For a single cat, fill the box to a depth of about 3 inches (7.5 cm), which uses roughly 2–3 lbs (about 1–1.4 kg) of walnut litter per box. Top up as you scoop, and do a full change every 1–2 weeks for one cat, or every 7–10 days in multi-cat homes. Always scoop clumps at least once daily.

To switch from clay to walnut without upsetting your cat, transition gradually. Our team at Ashario Pets recommends mixing about 25% new litter with 75% old for the first few days, then increasing the ratio over 7–10 days. Cats are creatures of habit — a sudden switch is a common reason a cat "protests" a new litter. Keep the box in the same location and don't change litter and box type at the same time.

Bottom Line: A 3-inch bed, daily scooping, and a slow 7–10 day transition give you the best odour control and clumping performance from Naturally Fresh.

Is walnut litter safe and eco-friendly?

Walnut litter is generally considered safe for cats and is biodegradable, though it should not be flushed. Because it's an agricultural byproduct, it reduces waste compared to mined clay. Households with a walnut or tree-nut allergy in a human family member should note the material, though contact with the shell fibre is different from ingesting nuts. When in doubt, check with your veterinarian. The FDA Center for Veterinary Medicine provides general guidance on pet product safety.

Who should buy Naturally Fresh — and who shouldn't?

Naturally Fresh is best for cat owners who want a renewable, plant-based, low-dust clumping litter with natural (fragrance-free) odour control. It's ideal for asthmatic households, eco-conscious owners, and cats that reject scented clay. It's less ideal if you want the absolute cheapest litter or the hardest possible clumps.

In our North York store on Finch Ave, we get a lot of questions about natural litters from customers in the Yonge-Finch and Downsview areas who are trying to cut dust and reduce their environmental footprint. For most of them, walnut litter is a satisfying upgrade. For a household juggling four cats on a tight budget, a heavier clay may stretch further per dollar. Both live on our shelves, so you can decide based on your priorities. Learn more about our commitment to pet care or check our made in Canada pet products range for more eco-friendly picks.

Frequently Asked Questions

Is Naturally Fresh cat litter better than clay?

Naturally Fresh is better than clay for dust reduction and eco-friendliness, while clay often clumps slightly harder and costs less. Walnut litter is roughly 99% dust-free and biodegradable, whereas clay is mined and can release fine particles. For dust-sensitive or eco-conscious GTA homes, Naturally Fresh is the stronger choice. Both are available at our North York store.

Does Naturally Fresh walnut litter stain light-coloured surfaces?

Naturally Fresh granules are dark brown and can leave faint marks on very light flooring if pieces are ground underfoot while damp, but they don't stain the way loose dye would. A litter mat and daily scooping prevent almost all mess. Sweep or vacuum tracked granules promptly and you'll rarely see any residue.

How often should I change Naturally Fresh cat litter?

For one cat, do a full change every 1–2 weeks and scoop clumps daily. In multi-cat homes, change every 7–10 days. Using at least a 3-inch (7.5 cm) bed and topping up as you scoop extends the life of the litter. If odour builds up sooner than expected, add depth or increase scooping frequency before changing brands.

Can I flush Naturally Fresh walnut litter down the toilet?

No. Even though walnut litter is biodegradable, it should not be flushed, as it can clog plumbing and municipal wastewater systems don't handle it well. Dispose of scooped clumps in the trash. For eco-friendly waste disposal, pair it with compostable-style waste practices recommended by your municipality.

Where can I buy Naturally Fresh cat litter in North York or Toronto?

Ashario Pets carries Naturally Fresh walnut cat litter at 1111A Finch Ave W, Unit 2, North York, ON, open 7 AM to 11 PM daily daily. You can shop in-store, order online for GTA delivery via Uber Eats, DoorDash, SkipTheDishes, Instacart, or Fantuan, or arrange free in-store pickup. Call +1-647-564-4433 with questions.

For more feline care guides, visit our cat blog, review the pet store FAQ, or reach us through the contact page. Guidance in this article is educational and not a substitute for veterinary advice; the Canadian Veterinary Medical Association (CVMA) is a helpful resource for finding a vet near you.