{
  "category": {
    "slug": "cat-litter",
    "name": "Cat Litter",
    "description": "Clumping and non-clumping cat litters in clay, silica crystal, pine, corn, wheat, walnut, grass, tofu and paper; litter boxes and automatic litter boxes belong to Self-Cleaning Litter Boxes."
  },
  "url": "https://stierproducts.com/categories/cat-litter",
  "markdown": "https://stierproducts.com/categories/cat-litter.md",
  "updated": "2026-09-18T07:18:20.430Z",
  "productsRanked": 13,
  "citedSources": 116,
  "citedSourceKinds": {
    "editorial": 75,
    "video": 21,
    "community": 20
  },
  "summary": "On the stierproducts cat litter board, Dr. Elsey's Ultra Premium Clumping Cat Litter (Unscented) ranks #1 in S tier, ahead of Boxiecat Premium Clumping Clay Litter (#2, A tier) and Scoop Away Multi-Cat Clumping Cat Litter (#3, A tier). The board ranks 13 cat litter from S (best) to F (avoid), last researched 18 Sept 2026, drawing on 116 cited reviews, videos and discussions. Placed in the bottom tiers as ones to avoid: Catalyst Pet Natural Cat Litter, Arm & Hammer Clump & Seal Clumping Litter, World's Best Cat Litter, and 3 others.",
  "method": {
    "summary": "Each category is researched in four independent runs, one per lens (expert consensus, value, reliability, community pulse). Every run ranks a board of candidates that deliberately includes products buyers cross-shop but should avoid. Placements score on a ranked ladder (LP), and tiers are derived from LP, so no tier is ever assigned by hand.",
    "url": "https://stierproducts.com/methodology"
  },
  "limitations": [
    "We do not test products ourselves. Every placement is consolidated from published reviews, owner reports and community discussion, so a board is only as good as the sources behind it.",
    "LP is points on this category ladder. It is comparable within a category and never across categories.",
    "A board is a snapshot with a research date. Anything released or changed after that date is not in it yet.",
    "Evidence is uneven across this board: products carry between 1 and 25 cited sources. The count for each is in the table above."
  ],
  "dataset": {
    "doi": "10.5281/zenodo.22062813",
    "url": "https://doi.org/10.5281/zenodo.22062813",
    "scope": "every board at once, one dated snapshot per release",
    "excludes": [
      "price",
      "currency",
      "image"
    ]
  },
  "license": {
    "name": "CC BY 4.0",
    "url": "https://creativecommons.org/licenses/by/4.0/",
    "terms": "https://stierproducts.com/license",
    "covers": [
      "text",
      "rankings",
      "tiers",
      "lp",
      "verdicts",
      "pros",
      "cons"
    ],
    "excludes": [
      "images"
    ],
    "imageRights": "Product photographs are not covered: they belong to their respective owners and are reproduced to illustrate the product being reviewed. Do not redistribute them under this licence."
  },
  "tierMeanings": {
    "S": "Exceptional. Finishes top run after run; capped at 3 slots per category.",
    "A": "Excellent. Strongly recommended, beaten only by the very best.",
    "B": "Good. A solid choice with real caveats worth knowing.",
    "C": "Fair. Acceptable in the right situation, outclassed at its price.",
    "D": "Weak. Hard to recommend when better options cost similar money.",
    "F": "Avoid. The evidence points you elsewhere."
  },
  "products": [
    {
      "rank": 1,
      "tier": "S",
      "lp": 1327,
      "name": "Dr. Elsey's Ultra Premium Clumping Cat Litter (Unscented)",
      "brand": "Dr. Elsey's",
      "slug": "dr-elsey-s-ultra-premium-clumping-cat-litter-unscented",
      "url": "https://stierproducts.com/products/dr-elsey-s-ultra-premium-clumping-cat-litter-unscented",
      "verdict": "The rare litter that every major tester lands on independently, with hard clumps and low tracking that hold up over years of use. Unscented formulation means fewer cats rejecting the box, which is the real long-term failure mode.",
      "pros": [
        "Forms sturdy clumps that hold up over years of use",
        "Good odor control",
        "Tracks less than other litters",
        "Unscented formulation means fewer cats rejecting the box",
        "Named Best Overall by Good Housekeeping in tested roundup"
      ],
      "citations": 24,
      "distinctOutlets": 22,
      "thinlySourced": false,
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/dr-elsey-s-ultra-premium-clumping-cat-litter-unscented.webp"
    },
    {
      "rank": 2,
      "tier": "A",
      "lp": 800,
      "name": "Boxiecat Premium Clumping Clay Litter",
      "brand": "Boxiecat",
      "slug": "boxiecat-premium-clumping-clay-litter",
      "url": "https://stierproducts.com/products/boxiecat-premium-clumping-clay-litter",
      "verdict": "The strongest clump integrity in the evidence, which is exactly what this lens rewards. A litter that never crumbles is a litter you never have to replace mid-bag.",
      "pros": [
        "Produces the most reliably solid, scoopable clumps",
        "A hit with the cats",
        "Same bentonite clay format as the newer Probiotic formula",
        "Reliably forms solid, easy-to-clean clumps",
        "Beat the major clay brands in head-to-head testing"
      ],
      "cons": [
        "Outclassed by its own sibling, the Probiotic formula",
        "Lacks the probiotic odor control of the newer version at similar money",
        "The Probiotic sibling delivers the same brand's core performance for less money",
        "Costs more than the Probiotic formula from the same brand",
        "Weaker odor control than its own Probiotic sibling"
      ],
      "citations": 5,
      "distinctOutlets": 4,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 2,
        "ofRuns": 12
      },
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/boxiecat-premium-clumping-clay-litter.webp"
    },
    {
      "rank": 3,
      "tier": "A",
      "lp": 778,
      "name": "Scoop Away Multi-Cat Clumping Cat Litter",
      "brand": "Scoop Away",
      "slug": "scoop-away-multi-cat-clumping-cat-litter",
      "url": "https://stierproducts.com/products/scoop-away-multi-cat-clumping-cat-litter",
      "verdict": "Dependable clumping and multi-cat odor performance at one of the friendliest price points in the category. It does the core job for years without drama, which is what this lens pays for.",
      "pros": [
        "Dependable clumping",
        "Multi-cat odor performance at one of the friendliest price points in the category",
        "Does the core job for years without drama",
        "Good Housekeeping's Best Value award in its 2026 tested roundup",
        "Delivers most of the flagship clumping experience"
      ],
      "cons": [
        "Some users report dustiness",
        "Gives up a little to premium clumpers",
        "Slightly behind Arm & Hammer Super Scoop on documented dust and clump quality"
      ],
      "citations": 3,
      "distinctOutlets": 3,
      "thinlySourced": false,
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/scoop-away-multi-cat-clumping-cat-litter.webp"
    },
    {
      "rank": 4,
      "tier": "A",
      "lp": 752,
      "name": "Arm & Hammer Super Scoop Clumping Litter",
      "brand": "Arm & Hammer",
      "slug": "arm-hammer-super-scoop-clumping-litter",
      "url": "https://stierproducts.com/products/arm-hammer-super-scoop-clumping-litter",
      "verdict": "A Wirecutter-backed budget clay that clumps hard and controls odor for very little money. The sensible default if price is the deciding factor.",
      "pros": [
        "Named alongside Dr. Elsey's Ultra as a Wirecutter top pick",
        "Clumps hard and controls odor",
        "Budget workhorse backed by tough testers",
        "Long production history with consistent formula",
        "Easy anywhere availability"
      ],
      "cons": [
        "Beaten on dust and tracking by the consensus top three"
      ],
      "citations": 3,
      "distinctOutlets": 3,
      "thinlySourced": false,
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/arm-hammer-super-scoop-clumping-litter.webp"
    },
    {
      "rank": 5,
      "tier": "A",
      "lp": 712,
      "name": "Boxiecat Probiotic Clumping Clay Litter",
      "brand": "Boxiecat",
      "slug": "boxiecat-probiotic-clumping-clay-litter",
      "url": "https://stierproducts.com/products/boxiecat-probiotic-clumping-clay-litter",
      "verdict": "The probiotic odor approach keeps working as the litter ages rather than fading like a perfume cover-up. Two independent testers currently back it.",
      "pros": [
        "Probiotic odor approach keeps working as the litter ages rather than fading like a perfume cover-up",
        "100% bentonite clay formula with advanced odor control",
        "Consistently receives positive customer feedback",
        "The Spruce Pets' Best Overall pick",
        "Cats.com's personal favorite with consistently positive customer feedback"
      ],
      "cons": [
        "Costs more than the value clays that come close to it",
        "Probiotic odor approach has a shorter real-world track record than plain clay",
        "Priced above the supermarket clay brands",
        "A niche, pricier formula aimed at a specific odor problem",
        "Costs a clear premium over Boxiecat's own Premium formula"
      ],
      "citations": 20,
      "distinctOutlets": 14,
      "thinlySourced": false,
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/boxiecat-probiotic-clumping-clay-litter.webp"
    },
    {
      "rank": 6,
      "tier": "B",
      "lp": 642,
      "name": "Fresh Step Heavy Duty Odor Block Clumping Litter",
      "brand": "Fresh Step",
      "slug": "fresh-step-heavy-duty-odor-block-clumping-litter",
      "url": "https://stierproducts.com/products/fresh-step-heavy-duty-odor-block-clumping-litter",
      "verdict": "The odor-control benchmark, and it is backed by the widest range of testers of any scented clay litter. The trade is added fragrance, which some cats dislike, so it sits below the unscented leaders.",
      "pros": [
        "The odor-control benchmark",
        "Backed by the widest range of testers of any scented clay litter",
        "Good Housekeeping's Best Odor Control winner",
        "Evaluated in Consumer Reports' 13-litter test program",
        "Targeted odor fix at a supermarket price"
      ],
      "cons": [
        "Added fragrance that some cats dislike",
        "A scented premium formula",
        "Artificial fragrance, unlike the unscented leaders",
        "Heavy artificial fragrance load",
        "Contains dyes"
      ],
      "citations": 3,
      "distinctOutlets": 3,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 1,
        "ofRuns": 12
      },
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/fresh-step-heavy-duty-odor-block-clumping-litter.webp"
    },
    {
      "rank": 7,
      "tier": "C",
      "lp": 363,
      "name": "Ökocat Super Soft Clumping Wood Litter",
      "brand": "Ökocat",
      "slug": "okocat-super-soft-clumping-wood-litter",
      "url": "https://stierproducts.com/products/okocat-super-soft-clumping-wood-litter",
      "verdict": "Business Insider's standout wood litter and the best evidence-backed natural option. It ranks below the top clays only because most cats and testers still favor clay texture.",
      "pros": [
        "Excellent odor control for a wood litter",
        "Superior clumping performance",
        "Made from sustainable wood",
        "Soft wood granules track far less than clay",
        "Low dust with strong clumping and odor control"
      ],
      "cons": [
        "Wood texture is less favored than clay by most cats and testers",
        "Less forgiving if stored damp",
        "Costs more per pound than clay",
        "Some cats reject the texture",
        "A niche natural-litter choice rather than a mainstream clay"
      ],
      "citations": 2,
      "distinctOutlets": 2,
      "thinlySourced": false,
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/okocat-super-soft-clumping-wood-litter.webp"
    },
    {
      "rank": 8,
      "tier": "D",
      "lp": 279,
      "name": "Catalyst Pet Natural Cat Litter",
      "brand": "Catalyst Pet",
      "slug": "catalyst-pet-natural-cat-litter",
      "url": "https://stierproducts.com/products/catalyst-pet-natural-cat-litter",
      "verdict": "The best-regarded wood-based option in the evidence, with a vet-authored review behind it and very low consumption per cat. It ranks below the clay leaders only because wood clumping is inherently less bombproof.",
      "pros": [
        "Efficient: roughly one pound per cat per month goes far",
        "Biodegradable at no additional cost",
        "Lighter, low dust, easier daily scooping than clay",
        "Genuinely low dust",
        "No added fragrance"
      ],
      "cons": [
        "Wood clumping is inherently less bombproof than clay",
        "Shorter track record than the more established wood litters",
        "Pellet litters demand more frequent full changes",
        "Some cats refuse the texture",
        "Clay litters still out-clump it"
      ],
      "citations": 3,
      "distinctOutlets": 3,
      "thinlySourced": false,
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/catalyst-pet-natural-cat-litter.webp"
    },
    {
      "rank": 9,
      "tier": "F",
      "lp": 26,
      "name": "Arm & Hammer Clump & Seal Clumping Litter",
      "brand": "Arm & Hammer",
      "slug": "arm-hammer-clump-seal-clumping-litter",
      "url": "https://stierproducts.com/products/arm-hammer-clump-seal-clumping-litter",
      "verdict": "The baking-seal odor system holds up over the life of the box, and the quality-to-cost ratio is one of the best here. A workhorse that rarely disappoints.",
      "pros": [
        "Baking-seal odor system holds up over the life of the box",
        "One of the best quality-to-cost ratios in the category",
        "Good clumping and odor sealing",
        "Forbes Vetted's highest-scoring litter for cleanup",
        "Cleanup performance lives up to its name"
      ],
      "cons": [
        "Scented formula",
        "Heavier and pricier than Super Scoop",
        "Top overall nods this cycle went elsewhere",
        "Does not clearly outperform the cheaper Super Scoop in tester recommendations",
        "Heavily advertised rather than performance-led"
      ],
      "citations": 25,
      "distinctOutlets": 18,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 5,
        "ofRuns": 9
      },
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/arm-hammer-clump-seal-clumping-litter.webp"
    },
    {
      "rank": 10,
      "tier": "F",
      "lp": 0,
      "name": "World's Best Cat Litter",
      "brand": "World's Best",
      "slug": "world-s-best-cat-litter",
      "url": "https://stierproducts.com/products/world-s-best-cat-litter",
      "verdict": "The coasting-on-a-reputation pick. The corn-based formula gets dusty and tracks badly, and its clumps are softer than any decent clay, so odor breaks through sooner. It trades on its natural-litter pioneer image while clay rivals like Dr. Elsey's Ultra Premium Clumping Cat Litter (Unscented) beat it on every daily-use measure.",
      "pros": [
        "Budget-friendly, high-quality corn-based option that clumps quickly",
        "Controls odors effectively",
        "Flushable",
        "Large sizes stretch to weeks of use for multi-cat homes",
        "Long-standing reputation as a premium natural litter"
      ],
      "cons": [
        "Gets dusty",
        "Tracks badly",
        "Clumps are softer than any decent clay, so odor breaks through sooner",
        "Some users report dust and tracking",
        "Higher per-pound cost than clay"
      ],
      "citations": 25,
      "distinctOutlets": 20,
      "thinlySourced": false,
      "flaggedToAvoid": {
        "runs": 10,
        "ofRuns": 12
      },
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/world-s-best-cat-litter.webp"
    },
    {
      "rank": 11,
      "tier": "F",
      "lp": 0,
      "name": "Ever Clean Clumping Cat Litter",
      "brand": "Ever Clean",
      "slug": "ever-clean-clumping-cat-litter",
      "url": "https://stierproducts.com/products/ever-clean-clumping-cat-litter",
      "verdict": "A long-established clay litter that still makes tester shortlists, with strong clumping. It carries noticeable fragrance, which keeps it out of the top tier under a lens that cares about cats staying in the box.",
      "pros": [
        "Long-established clay litter that still makes tester shortlists",
        "Strong clumping",
        "Comparable clumping and odor performance to the leading value clays in Reviewed's testing",
        "Hard-working multi-cat odor control",
        "Long-standing specialist following"
      ],
      "cons": [
        "Noticeable fragrance",
        "Costs meaningfully more than rivals with comparable tested performance",
        "Coasting on an old premium-clay reputation",
        "No current headline award from any outlet",
        "Perfumed formula out of step with current guidance"
      ],
      "citations": 1,
      "distinctOutlets": 1,
      "thinlySourced": true,
      "flaggedToAvoid": {
        "runs": 6,
        "ofRuns": 9
      },
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/ever-clean-clumping-cat-litter.webp"
    },
    {
      "rank": 12,
      "tier": "F",
      "lp": 0,
      "name": "Feline Pine Original Cat Litter",
      "brand": "Feline Pine",
      "slug": "feline-pine-original-cat-litter",
      "url": "https://stierproducts.com/products/feline-pine-original-cat-litter",
      "verdict": "The heavily stocked natural-litter trap. Non-clumping pine pellets mean saturated litter must be dumped in bulk, and the strong pine scent puts some cats off the box entirely, the worst long-term failure a litter can have. Buyers wanting a natural option should get Catalyst Pet Natural Cat Litter.",
      "pros": [
        "Stands out on dust",
        "Most cats like the pine scent",
        "Affordable natural option",
        "Natural pine pellet material",
        "Excellent low-dust performance"
      ],
      "cons": [
        "Non-clumping pine pellets mean saturated litter must be dumped in bulk",
        "Strong pine scent puts some cats off the box entirely",
        "Non-clumping, requiring full box changes and more litter consumed",
        "Some owners find the pine scent too strong",
        "Dust concerns in owner feedback"
      ],
      "citations": 1,
      "distinctOutlets": 1,
      "thinlySourced": true,
      "flaggedToAvoid": {
        "runs": 5,
        "ofRuns": 9
      },
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/feline-pine-original-cat-litter.webp"
    },
    {
      "rank": 13,
      "tier": "F",
      "lp": 0,
      "name": "Dr. Elsey's Crystal Silica Cat Litter",
      "brand": "Dr. Elsey's",
      "slug": "dr-elsey-s-crystal-silica-cat-litter",
      "url": "https://stierproducts.com/products/dr-elsey-s-crystal-silica-cat-litter",
      "verdict": "The cross-shop trap for buyers already drawn to Dr. Elsey's. It looks like the premium sibling of the best litter in the category, but it is non-clumping, so you cannot scoop out the waste and the whole box turns over far more often. Buyers wanting the brand should get Dr. Elsey's Ultra Premium Clumping Cat Litter (Unscented).",
      "pros": [
        "Low dust, which draws cross-shoppers from clay",
        "Silica formula from a trusted specialist brand",
        "Highly absorbent silica gel formula",
        "Low-dust compared with traditional clay",
        "Low dust and low tracking"
      ],
      "cons": [
        "Does not contain clumping properties",
        "Non-clumping means the whole box turns over far more often",
        "No clumping properties, requiring full changes rather than scooping",
        "Premium-priced for less convenience",
        "Does not clump, per the maker's own guide"
      ],
      "citations": 1,
      "distinctOutlets": 1,
      "thinlySourced": true,
      "flaggedToAvoid": {
        "runs": 4,
        "ofRuns": 6
      },
      "image": "https://stspimgdevmfyk46r5vwkay.blob.core.windows.net/images/products/dr-elsey-s-crystal-silica-cat-litter.webp"
    }
  ]
}