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Cat's Best Original Cat Litter

£17.23 GBP
 per 

£3.99 Delivery (Orders up to £59.99)

In stock!
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Certified and trusted products
Size: 10l (approx. 4.3kg)
Description

Wood fibre litter behaves quite differently to clay — it absorbs into the fibre structure rather than clumping around moisture, and it's roughly half the weight to carry. Cat's Best Original uses PEFC-certified wood from the woodworking industry, so no additional trees are felled for it.

Why it works

  • Absorbs up to 7 times its own weight in moisture, with odours stored deep in the fibre
  • Economical — a 10-litre bag can last up to 7 weeks with regular scooping
  • Natural and free from chemical additives
  • Up to 50% lighter than mineral litter — noticeably easier to carry
  • Low in dust, gentle on paws and on parquet floors

Features & specification

  • Type: clumping plant fibre cat litter
  • Material: technologically refined active wood fibres
  • PEFC-certified wood secondary raw materials from the woodworking industry
  • 100% compostable and biodegradable
  • German plant fibre technology

Disposal: clumps can go in the household toilet one at a time. Let each clump dissolve fully before flushing the next — crushing them lightly with a scoop first makes this quicker.

Household toilets aren't suitable for disposing of a whole tray. For bulk disposal, follow your local regulations for organic waste, compost or household waste. Check with your water authority before flushing if you're on a septic system.

Frequently asked questions

Does a bag really last 7 weeks?
For a single cat with daily scooping, yes — the fibre keeps absorbing rather than becoming saturated all at once. With multiple cats it will be considerably less.

How does it compare to clay litter?
Lighter to carry, renewable, biodegradable, and gentler on floors. Clay generally clumps harder, so if you want a clump that lifts out completely solid every time, clay still has the edge.

Is it safe if my cat eats a little?
It's untreated wood fibre with no chemical additives, so small incidental amounts aren't a concern. A kitten actively eating litter should be moved to a non-clumping type until they grow out of it.

Will my cat accept the texture?
Most do, though it feels different underfoot to clay. Mixing it gradually with your current litter over a week makes the transition easier for a fussy cat.

Delivered across the UK — free delivery on orders over £59.99.

Care

General Care & Storage
To get the most out of your Petszo delivery, please keep the following in mind:

  • Edibles: Keep food and treats tightly sealed and stored in a cool, dry environment.
  • Fabrics & Beds: Gently wipe clean or wash at 30ºC (always check the individual label first). Do not bleach.
  • Safety First: Regularly check toys and accessories for damage and remove them if broken.
  • Note: Always refer to the specific packaging for exact instructions.

Getting the most out of your Petszo order comes down to storing things properly and checking them regularly. Here's what matters.

Food and treats

Keep dry food tightly sealed in a cool, dry place away from direct sunlight. Resealing the bag or transferring it to an airtight container helps stop the fats going stale, which is the usual reason a dog or cat suddenly goes off a food they previously liked.

Opened wet food should be covered and refrigerated, and used within about 24 hours. Serve it at room temperature rather than straight from the fridge — cold food is noticeably less appealing to most pets and can be harder on sensitive stomachs.

Many treat pouches contain a small oxygen absorber sachet to keep the contents fresh. This isn't edible — remove and discard it before giving your pet the treat.

Beds, blankets and fabric items

Most fabric items can be gently wiped clean or machine washed at 30°C, but always check the individual care label first — padding and covers vary between products. Don't use bleach, as residue can irritate skin and paws.

Removable covers are worth washing more often than you'd think, particularly for pets with skin sensitivities.

Toys and chews

Check toys and accessories regularly for damage, and remove anything that's cracked, split or losing pieces. Small fragments are a genuine choking and blockage risk.

Always supervise your pet with chews and rawhide products, and take away any piece small enough to be swallowed whole. Match the chew size to your pet — a chew intended for a small dog won't last long with a large one, and creates more risk.

Harnesses, collars and leads

Check the fit periodically, especially on growing puppies and kittens. As a rule you should be able to slide two fingers comfortably under any strap — tighter risks rubbing, looser risks your pet backing out of it.

Inspect stitching, buckles and clips for wear, and replace anything showing damage before it fails on a walk.

Litter trays and small pet enclosures

Scoop clumping litter daily and top up as needed; a full change every 1–2 weeks is typical, more often with several cats sharing a tray. Clean the tray itself with hot water and mild detergent rather than strong disinfectants, some of which are toxic to cats.

For small pet enclosures, spot-clean soiled bedding daily and do a full change weekly.

Switching foods

Introduce any new food gradually over roughly 7–10 days, mixing increasing amounts into the current food. Sudden changes are one of the most common causes of digestive upset, and it's easily avoided.

Always check the product packaging. The guidance here is general — individual products carry their own storage, washing and feeding instructions, and those take precedence. If you're unsure about something, or your pet has a specific health condition, speak to your vet.

Questions about a specific product? See our FAQ or email support@petszo.co.uk.

FAQ

Frequently Asked Questions (FAQ)
We’ve compiled answers to the most common questions about shopping at PETSZO. Can’t find your question? Contact us at +44 7782 276061 or email us at support@petszo.co.uk.

1. What are your delivery times?
Orders are typically processed within 1–3 business days and spend 2–4 business days in transit. You can generally expect your order to arrive within 3–7 business days total. Once your order is dispatched, you will receive tracking information to monitor its progress.

2. What if my order is late?
While we strive for prompt delivery, carrier delays can occasionally happen. If your order does not arrive within the expected timeframe, please reach out to us. If a package is confirmed lost or significantly delayed by the courier, we will issue a replacement or a refund to ensure your complete satisfaction.

3. Can I return an item?
Yes. In compliance with UK Consumer Law, we offer a 14-day return period for most unused and unopened items in their original packaging. Please check our Refund & Return Policy for details and hygiene-related exemptions.

4. How can I track my order?
After your order is shipped, we will provide tracking details via email. You can use this information to check the delivery status directly with the carrier.

5. How do I contact customer support?
If you have questions about your order, shipping, or products, reach out to our support team:
Phone: +44 7782 276061
Email: support@petszo.co.uk

Answers to the questions we're asked most often. If yours isn't here, call +44 7782 276061 or email support@petszo.co.uk and we'll help.

Delivery

How long will my order take to arrive?

We aim to dispatch orders within 1–7 business days of you placing them. Delivery time after dispatch depends on the shipping method chosen at checkout. You'll receive tracking details by email once your order is on its way, so you can follow its progress with the carrier.

Do you offer free delivery?

Yes — delivery is free on all UK orders over £59.99. Orders below that threshold are charged at the rate shown at checkout before you pay.

Where do you deliver?

We currently deliver within the United Kingdom only. We don't ship internationally at present. Please note that a small number of items are shipped from outside the UK and may take a little longer to arrive — this is noted on the individual product page where it applies.

What if my order is late?

Carrier delays occasionally happen, particularly around public holidays or in bad weather. If your order hasn't arrived within the expected timeframe, get in touch with your order number and we'll chase it. If a package is confirmed lost or significantly delayed by the courier, we'll send a replacement or issue a refund.

How do I track my order?

Once your order ships, we email you tracking details. Use these to check live delivery status directly with the carrier.

Returns & refunds

Can I return something if I change my mind?

Yes. Under UK consumer law you have 14 days from receiving your order to tell us you'd like to cancel, and a further 14 days to send the items back. Items need to be unused, in their original packaging and in the condition you received them. Return postage for change-of-mind returns is at your cost. Full details are in our Refund & Return Policy.

What if my order arrives damaged or incorrect?

We'll put it right. Under UK law you have up to 30 days to reject a faulty item for a full refund. For transit damage, contact us ideally within 48 hours of delivery with photos of both the item and the packaging. We cover return postage on faulty or incorrect items and will offer a full refund or a replacement.

Are there items I can't return?

For hygiene and safety reasons, opened or unsealed pet food and treats, used grooming products, personalised items and gift cards can't be returned unless they're faulty.

How long do refunds take?

Once we've received and inspected your return, we'll let you know whether it's approved. Approved refunds are processed within 14 days of us receiving the goods, back to your original payment method.

Can I cancel an order before it ships?

Yes — email support@petszo.co.uk with your order number any time before dispatch. If it's already gone out, you can return it under the 14-day change-of-mind period once it arrives.

Products

Do I need a prescription for veterinary diets?

No prescription is legally required in the UK to buy veterinary diet foods. However, these products are formulated for diagnosed conditions, so we strongly recommend speaking to your vet before starting one — and having your pet checked at least every six months while feeding it. If your pet's health worsens, seek veterinary advice straight away.

How should I switch my pet to a new food?

Gradually, over roughly 7–10 days. Mix a small amount of the new food into the current one and increase the proportion each day. Switching abruptly is a common cause of digestive upset.

How do I store pet food once it's open?

Keep dry food in a cool, dry place, ideally resealed or in an airtight container to stop the fats going stale. Opened wet food should go in the fridge and be used within about 24 hours. Always check the individual packaging, as some products have specific requirements.

Contact

How do I get in touch?

Phone: +44 7782 276061
Email: support@petszo.co.uk

Please include your order number when contacting us about an existing order — it speeds things up considerably.

Shipping & Returns

Last updated: 16 August 2026

This policy explains how we process, dispatch and deliver orders, and what to do if something goes wrong.

1. Delivery charges

Delivery is free on all UK orders over £59.99. For orders below that value, the delivery charge is calculated and shown at checkout before you complete your purchase — you'll never be charged an amount you haven't seen first.

2. Order processing and dispatch

We aim to dispatch orders within 1–7 business days of the order being placed. Business days are Monday to Friday, excluding UK public holidays.

Once your order has been processed you'll receive a confirmation email, followed by tracking details where available.

3. Delivery times

Time in transit after dispatch depends on the delivery method selected at checkout and your location. Total time to receive your order is therefore the dispatch window above plus the carrier's transit time.

A small number of products are shipped from outside the UK and take longer to arrive. Where this applies, it is stated clearly on the individual product page.

4. Delivery area

We currently deliver within the United Kingdom only. We do not offer international shipping at present.

Please note that a small number of bulky items cannot be delivered to Northern Ireland. Where this restriction applies, it is noted on the product page.

5. Tracking your order

Once your order ships, we'll email you tracking information where available. You can use this to check the live delivery status directly with the carrier.

6. Delays

Some delays are outside our control — carrier backlogs, severe weather, and public holidays being the most common. If your order hasn't arrived within the expected timeframe, please contact us with your order number and we'll investigate.

If a package is confirmed lost or significantly delayed by the courier, we will send a replacement or issue a refund.

7. Incorrect delivery addresses

Please check your delivery address carefully at checkout. If you spot a mistake, contact us immediately — we can usually correct it before dispatch. Once an order has shipped to an address you provided, we may not be able to recover it.

8. Contact us

For any questions about shipping or the status of an order:

Phone: +44 7782 276061
Email: support@petszo.co.uk

Please include your order number — it makes everything faster.

Petszo is a trading name of UZMA QASIM LTD (company number 16856550). We reserve the right to update this policy; the date at the top of this page reflects the most recent revision.

See also: Refund & Return Policy · FAQ

Add to Cart Select The Options Above
  • 5 stars: 12 (30%)
  • 4 stars: 7 (18%)
  • 3 stars: 5 (13%)
  • 2 stars: 5 (13%)
  • 1 star: 11 (28%)
A
Anonymous
Possible change in ingredients?

I’ve used this for years and it has been the best for firm clumping, good odour control and lower tracking (hence still giving it 3*). This last bag not so much, I wonder if any of the ingredients have changed. I’m ordering another bag in the hope it was a one off otherwise I’ll move brand .

Z
Zoe
It has changed and is now no good!

Have used this litter for years and convinced others to use it. The last couple of bags have been hugely dusty, making me cough when I am scooping it. So must be terrible for my cat. Slowly switching to another brand. He is quite easily unsettled by change so a slow process. I wish they would sort the issue out as this was literally the best litter ever

M
Mark
Works well, low odour. Clumps well.

Title says it all

X
Xavi
Amazing litter for blocking smell but it does takes a while to set

Great litter but as explained it does take a short while for the litter to set and dry once they’ve urinated in it, otherwise it’s good a great pine woody smell which covers the smell. Ps get this and some food which has yucca schidigera since that’s helps reduce lower smells!

J
Julie
Always buy this brand

Have tried various types of litter. Don't like Fuller's Earth. That is really smelly. This keeps the odour down and it is also clump forming which makes it easier to clean the tray.

J
Jan Welland
Not Good on its own - Won't buy again 

I used to mix this with a light clay based litter and it worked well. But on its own, not so much. The cats track this everywhere, there's no odour control and if you miss a day by accident, this litter will turn to a soggy mess and smell is awful 

A
Alex
Best litter out there

Tried a few and this is easily my favourite. It clumps really well and reduces odours noticeably. I buy the 40kg bag which lasts at least 9 months with my one cat.

K
Kerie
Bengal kitten approval 

This litter is great, I wanted a product that was eco friendly, and one that clumps, and one that wouldn'tbeak the bank. This litter does it all, soft on my kittens toe beans, eco friendly, clumps, and doesn't leave any odour. I scoop every day, and do a full clean once a month in both my kittens litter boxes, as he does his number 2s outside when I walk him. 5 stars from us ⭐️⭐️⭐️⭐️⭐️

S
Shaun
What a mistake

Tried trasioning from clay, rescue cat was used to wood at the sanctuary unfortunately by the time the tray was complete wood she refused to use it and decided the carpets were a better proposition the wood pellets are far too sharp, went back to clay and she resumed using the trays

A
Anonymous
Worst litter ever

The pieces are massive, this litter does not clump at all and amplifies the smell of the cat poop, it is really bad

R
Riley
Easy clumps

This 20 litre bag lasted our two cats for weeks and clumps quickly with less tracking.

A
Anonymous
Good litter, pack unsure

I do not recall the exact bag size, but it was easy to clean and worked for both cats with minimal dust.

J
Jamie
Reliable litter

Very absorbent and light, our rescue cats accepted it straight away and cleaning is simple.

A
Anonymous
Great low-dust litter

I tried the larger bag in our home and it clumps well, is easy to scoop, and lasts a long time. My cat took to it immediately and there is little tracking.

D
Drew
Small pack was dusty

The smaller bag did not work well for our litter tray; it scattered and created more dust than expected.

A
Alex
Absorbent but smelly

Very absorbent, clumps very well, doesn’t track much but it does not absorb odours well at all especially urine so I probably won’t be buying it again

L
Lainey McConkey
Excellent Product

This is an excellent litter. Low dust, lightweight, clumps and cleans very well. My cats seem much happier with this than with clay type litter. Lasts a long time too, so quite economical

P
Philippa
Effective, but messy!

I have bought one 40L pack of this cat litter. It has lasted 2 and a half months for two indoor cats. The litter box gets refilled everyday 10 days. However, I have to hoover and sweep every day as a result! The tracking is really bad. The litter gets caught in their paws, and it spreads throughout the house. But in exchange for this, I am no longer having to buy cat litter every week. The clumping is 10/10. This helps the cat litter to last so long. I am going to buy another bag!

A
Andrzej
Best litter so far

I’ve been trying different litters , clumping , non-clumping and this one seems best so far . Occasionally sticks to cats paws for a while as we do find it on the sofas etc .

L
Lynne Mannino
Great but not the “original”

I have used this ever since I first got a cat, as has my daughter for her cats. Very little smell & clumps reasonably well. However we agree that it not the same as before. We could flush it down the toilet safely but now it doesn’t flush away but sits in the bowl. We are having to dispose of wet clumps in poo bags & put in the bin which defeats the object. It is still my preferred litter but I’m a little disappointed by the change.

L
Lucy
Wont be buying again

Smells after 1 day

L
Lily
Excellent litter .

Never any smell.easy to order. Only use 3 packs a year for one cat. No waste.

L
Leo
Good but dusty

I used this for years and really liked it - clumps reasonably well and you can flush solids, which saves a fortune on bags. However, it is just too dusty, it was affecting my lungs. And when I got mother cat, it tracked all over the house. If you changed it more regularly than I did, the dust wouldn’t be so bad.

T
Theo
Best cat litter

This is the best cat litter we have used. It clumps well so you can just remove clump of wee, rest of litter stays completely dry. Cats ( i have 3) like it but do tend to kick it around. \nLitter tray stays dry unlike with other litters unless cat wees right at edge of tray. So much cheaper to use as only wet litter needs to be removed and clumps beautifully!! Havnt had to completely empty a litter tray in weeks and no move stinky trays.

H
Hayley
Cat litter

Worst cat litter ever, absolutely stinks and so messy, would 100% not recommend. Catsan is far superior

E
Eleanna
Sure, if you fancy hoovering 5x a day

...and still not be done. This litter gets wedged on my cat's paws and goes everywhere - floor, furniture, dining tables etc. That's with twice a day scooping the litterbox and a mat outside to catch stray litter. I haven't had more mess in my house ever. It's disgusting... I bought it on offer a month or two ago and I felt I had to finish it, but never again.\n\nThat's not the only problem btw - feeling the litter on my palms made me realise that it is fairly jaggy and not great for cat paws.

G
Grace
Changed formula

Had been using this for 4 years and it was fantastic. They’ve changed the formula and now it doesn’t clump and my cat refuses to use the litter tray. \n\nWill be switching to another brand.

S
Samantha Cuthbert
What's happened to this product?

I've been using this cat litter for several years happily, but the last few bags have been sub standard. \nIt's now got too much dust within the bag, this has drastically increased the amount of tracking around the house, really unhappy about this cat litter now. \nTime to find another brand

J
Jacob
A mixed bag - try it for yourself

Positives: clumping is good, can put it straight in the toilet, so cheap\nNegatives: tracking is poor, odour control isn't great\n\nI wanted to try this because the reviews are so mixed. For me, the convenience of being able to put the clumps and poo directly in the toilet is a massive plus. Taken with the eco-friendly aspects, that means I'm happy to deal with the tracking and the occasional smell. I'd recommend trying the tester bag if possible to see if it works for you.

T
Thomas
Hairless surprise

Used a different brand before but at the end of 2024 they stopped selling our fav litter so had to try this one. At first it looked okay because the similar texture and pellet size. But 2 months later we noticed that our longer hair girl started over-grooming and the hair from her belly and all four paws disappeared and she was covered in those regions in bald patches. We thought the new family member etc caused this but I decided to try the T******* brand and her fur rapidly grew back. So...

P
Pamela
Has stopped clumping well

This is my usual litter and the last 20l bag clumps really poorly. I’m having to do full changes and so it’s less cost effective. It’s tracking even more than usual, I’m going to have to move onto something else.