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Member ratings & reviews for
ARM & HAMMER LITTER 40 LB DOUBLE DUTY
4.2 out of 5 stars
stars1,156 ratings1,156 reviews
  1. 5 stars61% (706)
  2. 4 stars19% (224)
  3. 3 stars7% (77)
  4. 2 stars3% (39)
  5. 1 star10% (110)

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Showing 1-10 of 1,156 reviews
Apr 3, 2025
Brothers 2
5 out of 5 stars review

Switching from A&H was a BIG mistake!

I've been using A&H double duty cat litter for years. Recently I switched my 2 cats litter to Tidy Cats. What a mess! The entire office as covered with fine dust. All over my printer, pens and markers, sewing machine, etc. and you can't dust it because too fine of a dust. Have to literally wash everything. Which I had just spring cleaned that room right before switching to Tidy Cats.

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Sep 9, 2025
skylight
5 out of 5 stars review

I've been using this litter for 3/4's of a year and it is genuinely one of the best litters I have dealt with yet. My 14 year old retired farm cat doesn't complain about it, the clumps are easy to scoop, and while nothing will fully cover his stink this litter does a fantastic job of making that odor disappear promptly. In this house, we go though quite a bit of litter each month so the 40lb option is exactly what I need. I will always recommend this litter to all fellow kitty owners!

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Sep 1, 2025
Careyb1219
5 out of 5 stars review

Great Clumping

I had never tried this kind of litter before but always wanted to. I am hoing to earn points for the Kitty Krew rewards orogram but my opinions are my own. I enjoy the long lasting smell of this litter and how it clumps in solid pieces for easy scooping.

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Oct 1, 2025
Maimou
5 out of 5 stars review

Performs well & is economical.

I had been using another Arm & Hammer litter and was very pleased with it, but I was looking to make a change (tightening the old budget!). I was very pleased to find this at my warehouse club. It's been great. Kitties have adapted quickly to the change & MamaCat is saving money. And I notice no difference-the odor control is great. thank you A&H!

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Oct 22, 2024
Mimi
5 out of 5 stars review

Odor control 3 cats

Husband bought it. I really like it for odor control. We have a litter robot and a second standard box. The standard box always use to smell. Now this is being used and I actually forgot to change it since I didn't smell anything. Thank you for the double duty. P.s. there was a place to bullet #2 that offered a photo option. There doesnt appear to be place to do so. As a proud owner of 3 Sphynx cats I'd love to share a pic or 3 ;) Thank you !

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Jul 16, 2025
jetb
5 out of 5 stars review

Great product.

I love this product. Even though I only have one cat, I use it because it doubles the odor control. It really is 98% dust-free and clumps well for easy scooping, even though my cat likes to go on the walls of his litter box. :) For those who don't like walking on litter, beware, the granules are not tiny and are easily tracked, which I guess is my only negative comment. "I am receiving points toward rewards in the Kitty Krew Community for writing this review. All opinions are my own." #KittyKrewForCats #armandhammer

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Sep 13, 2025
Rb215
3 out of 5 stars review

Great clumping technique

I really love this litter but after a while. You can smell the cat pee while cleaning the litter box. I add more but the pee gets stronger and stronger. But over all I give it a 3 cause it does clump and some what seal. Not ever litter is perfect but I wish this one was. The pee doesn't stick to the bottom of the litter box

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Jul 27, 2025
UnhappyCustomer
1 out of 5 stars review

Changes in Litter to push higher cost alternatives

I've used this litter for years and suggested to others that it is great. Not anymore. It has stopped clumping, is not controlling odor (and I scoop twice a day) and is now a disappointment. My husband took care of the cats for a week while I was gone and he noted the same problems without prompting. And the suggestion is to switch litters? Clump and Seal is $10 more a box. If I have to change litter it won't be within the A & H family

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Apr 30, 2026
Sissy 56
1 out of 5 stars review

A “MUDDY” MESS!

I have purchased your cat litter for more than six (6) years. I have always been satisfied until I purchased this Double Duty product. When I scoop the box out, which I do daily I have found that the litter has gone to mud wherever the cats have urinated. It is not easy to use because I have to clean this “mud” out as well as scrub the litter box where this mud has left residue on the litter box. I am extremely dissatisfied with this product! Have you changed the product?

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Apr 20, 2026
Very disappointed
1 out of 5 stars review

This is the worst litter I've ever used it is so heavy to scoop it doesn't last that long, and it doesn't hard clump till it sits in there for 24 hours if you do it before it's a gooey mess, I don't know how it gets good reviews they must put different stuff and different boxes but I'm never going to buy it again.

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115