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Arm & Hammer Litter Clump & Seal Multi-Cat Litter

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28-lb box
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Say hello to first of its kind odor control. Arm & Hammer Clump & Seal Cat Litter is specially formulated for a 7 day odor free home. Moisture-activated Micro-Granules form a tight seal around cat waste odor, while heavy-duty odor eliminators plus Arm & Hammer Baking Soda destroy sealed-in odors before they can leave the litter box. No one will even guess you have a cat!

Key Benefits

  • Moisture-activated Micro-Granules form a tight seal around odors and Arm & Hammer Baking Soda destroy sealed-in odors, guaranteeing a 7 day odor-free home.
  • Made with microparticles so your cats will love the softer feel. No crumbly clumps means you can quickly and easily clean the litter box, leaving you more quality time with your furry family members.
  • Ultra low dust litter helps maintain clean floors and a healthy home and being extra strength it's prefect for multi-cat homes.
  • Unique low tracking formula keeps litter in box instead of on kitty's feet, keeping your home cleaner.
  • Made in the USA!


Please wash hands thoroughly after handling used cat litter. We want to remind pregnant women and those with suppressed immune systems that a parasite sometimes found in cat feces can causes toxoplasmosis.

See all items by Arm & Hammer Litter

  • Item Number
  • Brand
    Arm & Hammer
  • Litter & Bedding Type
  • Litter Feature
    Clumping, Odor Control, Scented, Multi-Cat


  • Fill a clean, empty litter box with 3-4 inches of Arm & Hammer litter.
  • Litter seals in and destroys odors, forming rock-solid clumps. Remove clumps and solid waste daily to keep the rest of the litter fresh.
  • Add more Arm & Hammer litter to replace what you have scooped out and maintain a depth of 3-4 inches. Once a month empty the entire litter box.
  • Dispose of used litter in the trash. DO NOT FLUSH OR PUT IN DRAINS.

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Customer Reviews

Arm & Hammer Litter Clump & Seal Multi-Cat Litter is rated 4.6 out of 5 by 584.
Rated 1 out of 5 by from TERRIBLE new formula I have been purchasing this litter for over a year, and it has been a favorite of mine. I foster cats so will buy 10-15 boxes/month. My last two shipments have been absolutely awful. With the first of the two, the litter was much darker in color - similar to their lightweight formula. It didn't clump as well, but I figured I just received a bad batch. I was relieved when my most recent shipment was the same color as the original formula; however, this relief was short-lived. The new formula was much sandier than the original and had a LOT more dust. It didn't clump at all and was impossible to scoop. The final straw came this weekend when I was cleaning out the boxes to replace them with Dr Elseys. The dust created a superglue-like consistency on the bottom of the litterbox that required using a table knife to scrap off. The dust also had left some sort of film in the litter box that was terribly difficult to clean, and it took me 3x longer per box to do so. After being a loyal fan for many months, I will never buy this litter again.
Date published: 2017-02-06
Rated 5 out of 5 by from Best Litter I've Ever Used This is by far the best litter I have ever used. Granted, I just cleaned out my litter boxes and switched to this stuff 3 days ago, but so far so good, and if that changes I will revise my comment but so far I have been loving the consistency of this litter. It's like sand, but it clumps so nicely. When pouring the litter into the box, there was no dust at all and each time that I clean the litter box I have had no issues with dust like I did with the old litter. I don't notice any type of smell when I come home from work or when I wake up in the morning, I've been truly loving this litter and will continue to purchase. Like I said, it's only been a few days, but usually within a few days I can tell if I don't like a litter so I think it's safe to say that this one will work out for us. I have two cats by the way, and I'm amazed that this stuff manages to cover the smell, even right after they use the litter box!
Date published: 2017-02-01
Rated 5 out of 5 by from Best I've tried yet I've been using clumping litter since it first came out, and have gone through the gamut of just about every brand & formula. The top requirements for me are 1) great clumping ability with little breakup, 2) low dust, 3) no strong, perfume-like odor, and 4) odor control. This is the first brand I have found that meets all four. I have 3 cats, and I've asked friends & family who come to visit if they smell the litter (we live in a small ranch, so the litter boxes are within fairly close proximity). I have very honest friends, and they have all said no. The clumps hold well, there is a faint fragrance but not perfume-like at all, and best of all, there is almost zero dust. I've found the Multi-Cat regular formula to work best; the lightweight is also good, but it seems the clumps break up a bit more. I've also tried the new Slide, and it really does slide right off the litter box surface. Please don't change this formula, ever! I've finally found one that hits all the requirements. Now, if you could find a way to keep it all IN the box, that would be even better :)
Date published: 2017-03-17
Rated 1 out of 5 by from Good Product, Cruddy Price Hike So i will review this litter first. I foster kitties, I currently have 25 housed with my right now. I have gone through every litter brand and this is the only one all the cats approve of. Mainly because there is very little dust. The other A&H litters with scents in them have a ton of dust and my cats hate it. So this is the chosen for my household. It controls the odor perfectly as well. Now the 1 star part. I have been ordering this brand from Chewy for about 4 months now. The price of the litter was at 8.49 now the price hike is almost equal to the store price which defeats the purpose of my buying it from chewy now. That sucks because I this was helping me not with just the price but having them delivered. Sad that now they lost that sale with me.
Date published: 2017-01-06
Rated 5 out of 5 by from So far, the best yet! I've tried them all, most recently Dr. Elsey's which changed to dusty, low clumping, high tracking, and very heavy (weight-wise). This Clump & Seal litter is great...so far! My asthmatic cat is doing better since there is little-to-no dust from this litter...and my laundry room, where the litter box is located, is staying relatively dust-free. There is no odor, even with two adult indoor cats. The clumping is excellent. The weight (for scooping) is tolerable. I see little tracking (just outside the litter box) and that is especially wonderful for my Maine Coon with the "feathers" on the bottom of his feet (this litter doesn't stick to that hair). All in all, I am very happy with this litter and my two cats like it just fine! Sometimes you get what you pay for...and this litter is semi-expensive but is working beautifully for our needs.
Date published: 2017-02-19
Rated 4 out of 5 by from Superior odor control and low dust for asthmatic kitty I'll be honest: I don't scoop, I just dump & refill about once a week. With that in mind, I went searching for a product that would provide good odor control, but could not be dusty or scented to irritate my 14 year old cat's asthma. This product meets both of these criteria for my household. It has a granular texture, a lot like coarse sand, but it does not give off dust when kitty hops in and out of her box and paws at it to bury her ... items. I would give it the full 5 stars if it was also clean in terms of tracking, but even with a litter mat and in a room with a tiled floor, I am finding litter granules in other rooms of the house where it has been tracked by accident due to the small particle size. This is not a problem for me because my priority is clean air for my family and my cat to breathe, and our kids are past floor-crawling and mouth-inserting age, and have moved on to vacuuming-for-allowance age, so this product keeps everybody in business.
Date published: 2016-10-31
Rated 5 out of 5 by from The BEST cat litter ever! Arm & Hammer Clump'n'Seal Multi-Car litter works like magic! The clumps really do form tightly and the odor control is superior to any other i've ever tried--and i'vé tried plenty! We have 6 kitties so the litter boxes have quite a job to do on a daily basis. 'Tho we try to stay on top of it by cleaning the litter boxes at least twice a day, but when life gets crazy there are times when it only gets done once a day and i'm not proud to say there have even been a couple of times when we'vé skipped a day due to the time we'vé gotten back home--obviously not a recommended practice, BUT i am very proud to say enyone coming into our home who sees the kitties remarks how often times in a home with even one cat they can sometimes smell the litter boxes whereas here they smell nothing and only know we have cats because they see them. Way I see it, that's clear proof that this litter not only delivers on its promise but that it works some serious overtime!
Date published: 2016-07-10
Rated 5 out of 5 by from Excellent odor control and clumping I was originally buying the refillable little at a petstore and then the yellow box or Arm and Hammer. But then this was on sale at the store so I tried this one out. I liked the other Arm and Hammer but if I forgot to scoop it for a couple days the clumps would break apart and the litter would stick to the bottom causing me to have to regularly have to dump and thoroughly scrub the little box before refilling. This litter clumps amazingly, takes half the time to scoop and has yet to get stuck on the litter pan. It also gets out of the pan much less. My cat likes to stick his paw out of his litter pan and try to scoop extra imaginary litter into his pan so he would always make a little mess, but not with this one. And there is absolultely no foul odor, even when cleaning.
Date published: 2017-02-09
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