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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 31-40 of 1,156 reviews
Jan 26, 2026
Shadows mom
1 out of 5 stars review

No clumps at all

It didn't clump at all. I just cleaned the litter and had to throw away 40lbs of litter cus all of it was soaked from urine. None of it had clumped up. It was all soggy and wet. And the smell was extremely stringent! So much for urine control or neutralizer.

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Aug 5, 2025
Syd63120
5 out of 5 stars review

LOVE THE DOUBLE DUTY

[This review was collected as part of a promotion.] l love everything about this Double Duty Clumping Cat Litter my kitty are so happy to have this in their litter box. I just what the doctor order and its nice and healthy.

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Jul 20, 2025
Xomora30
5 out of 5 stars review

Easy clean up. Litter box stay fresh and clean.

I just bought it today and so far it has been good I love how pee will clump up and I can just throw it away unlike other litter that the pee will just turn into dust.

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Jul 15, 2025
Ma B
5 out of 5 stars review

I tried this once and fell in love with it the only litter that I do not have a problem with my cats using their litter box. Best litter I have ever purchased

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Jul 24, 2025
Gelbell
5 out of 5 stars review

Love this litter!!

I just got a kitten and bought this kitty litter. My kitten loves it and it clumps fast and takes the odor away almost immediately. It is easy to clean and maintain.

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Jan 10, 2015
hsms3
2 out of 5 stars review

Have six cats---don't care for this product

As a caregiver for six cats I found this product less than adequate, it was bought because my regular brand was not available. Four boxes were bought and five litter boxes were filled with this products. The clumping action was fairly good but often the clumps with urine would fall apart as I was scooping it out. All my litter boxes are cleaned out at least once a day. As a Respiratory Therapist and Certified Asthma Educator I have concerns about the strong perfume smell, it is very potent. I will not buy this product again, I will hold out for my usual cat litter if I have to.

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Sep 3, 2021
danac97
5 out of 5 stars review

This is the only

This is the only cat litter we use, it is hands down the best. I've tried dozens of brands and types over the years and we always come back to this one. I can't always find the smaller containers, the 40 lb box can be a bit difficult to handle, but we make it work!

Review from influenster.com
Helpful?4MMOU80A9QTG15321557115
Feb 25, 2019
LisaE
1 out of 5 stars review

Changed the formula?? WHY??!!

For 16 years, I was loyal to the Arm & Hammer brand of cat litter. Not anymore! Not only does this Double Duty litter not clump, it turns into a nasty SLUDGE that requires painstaking labor to "scoop" up. I finally gave up and took the mess outside to wash out with a hose. Further, this litter tracks everywhere! I have a 2nd, unopened, box that I will donate. (Not nice of me, so no thanks are necessary!) I honestly have no idea how other cat litters measure up, so would appreciate references since I will NEVER purchase THIS MESS again!

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Aug 19, 2014
Diane
1 out of 5 stars review

Will never buy again.

I bought this cat litter because I already use several other Arm & Hammer products. The litter clumped just fine. No problem. However, the smell is atrocious! One of my cats started refusing to use the box, the smell started creeping up the stairway. I even had to change out the filter and bag on the vacuum! I really hope my cat forgives me and starts using her box again. And yes, I did take her to the vet to rule out physical issues. Clean bill of health. I'm so glad I finally figured out the cause of the smell and eradicated it from the house. Yuck!

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115
Sep 3, 2014
Michelle
1 out of 5 stars review

Horrible SMELL and full of disappointment!

I just bought this product and I am VERY DISAPPOINTED in it. Yes, it works for clumping, but it SMELLS SO BAD. My entire, three level home SMELLS like this litter. I do not smell cat urine, but the litter!!! Why is this? Maybe the company should put a warning label on the box. I think that the company owes me money for a 20lbs. box. Now i have to go back to the store and buy another brand. that's right!!! a DIFFERENT brand. Thanks for losing my trust Arm and Hammer, for more work than what it is worth!

Review from armandhammer.com
Helpful?4MMOU80A9QTG15321557115