Explainers & answers
The research behind the picks — how things work, what the evidence says, and the mistakes to avoid with Cat Litter.
- Are self-cleaning litter boxes safe? What the research actually shows
Are self-cleaning litter boxes safe for cats? Here's what design flaws, vet surveys, and documented incidents reveal about risk, and how to choose a safe one.
Updated 2026-07-09
Cat not using the litter box? Here's why, and how to fix itCat suddenly peeing or pooping outside the litter box? Here's how to tell medical from behavioral causes, plus the fixes vets and shelters recommend.
Updated 2026-07-09
Clumping vs non-clumping cat litter: which one should you actually buyClumping litter wins on odor control and cost per month; non-clumping matters for kittens and a few niche cases. Here's the honest breakdown.
Updated 2026-07-09
- How Do Self-Cleaning Litter Boxes Work? The Mechanics, Explained
How self-cleaning litter boxes actually work: sensors, rakes vs. rotating drums vs. flush systems, litter compatibility, odor control, and trade-offs.
Updated 2026-07-09
- How does clumping cat litter work? The science behind the clump
Clumping cat litter works through sodium bentonite clay that swells and binds on contact with moisture. Here's the chemistry, the trade-offs, and what to buy.
Updated 2026-07-09
How Many Litter Boxes for Multiple Cats? The N+1 Rule, Plus What to Actually BuyHow many litter boxes multiple cats need (the N+1 rule), plus how to choose box size, type, and covered vs. uncovered for a multi-cat home.
Updated 2026-07-09
- How much litter to put in the litter box (the 2–3 inch rule, explained)
The right depth is 2–3 inches for most cats, more for clumping clay. Here's how to adjust for kittens, big cats, sifting boxes, and odor problems.
Updated 2026-07-09
How often to change cat litter (a vet-informed schedule)Scoop daily, but how often should you fully change cat litter? Priya Novak breaks down clumping vs. non-clumping schedules, odor fixes, and health risks.
Updated 2026-07-09
How to clean a litter box: the routine vets actually recommend (2026)Daily scooping, weekly deep cleans, no bleach. Priya Novak breaks down the exact litter box cleaning routine vets recommend and why it matters.
Updated 2026-07-09
- How to get rid of cat litter odor: the fixes that actually work
Fix cat litter odor at the source: scoop timing, box sizing, litter type comparisons, activated carbon vs. baking soda, and ventilation that works.
Updated 2026-07-09
- How to hide a litter box in a small apartment (without making your cat avoid it)
Real ways to hide a cat litter box in a small apartment, from furniture cabinets to bathroom setups, without triggering box avoidance or trapping odor.
Updated 2026-07-09
How to stop cat litter tracking, for good (2026 guide)Litter tracking has no single fix. Priya Novak breaks down what actually cuts it: granule size, box design, mats, and depth, based on the research.
Updated 2026-07-09
- How to Switch Cat Litter Without a Mess (or a Litter-Box Strike)
How to switch cat litter the right way: a 7-10 day mixing schedule, what causes house soiling, and how leading clumping litters compare on odor control.
Updated 2026-07-09
Is clay cat litter safe? What the research actually showsIs clay cat litter safe for cats? Yes, for most healthy adults, with real caveats around dust, kittens, and scented formulas. Here's the evidence.
Updated 2026-07-09
- Litter box for arthritic cats: what actually matters (2026 guide)
The right litter box for arthritic cats has a low entry, roomy interior, and open top. Here's what the evidence and vet guidance say to look for.
Updated 2026-07-09
- Scented vs. unscented cat litter: what actually works best in 2026
Unscented litter wins on cat preference and safety data. Here's what the research shows about scent, odor control, and when scented litter backfires.
Updated 2026-07-09
- Types of cat litter: a 2026 comparison guide to clay, crystal, and natural options
Clumping clay, silica crystal, paper, wood, or corn: here's how each type of cat litter performs on odor, dust, and cost, and which fits your cat.
Updated 2026-07-09
What to look for in cat litter: a research-backed buying guide (2026)Vets and researchers weigh in on litter safety, dust, clumping, and odor control. Here's what actually matters when picking a cat litter in 2026.
Updated 2026-07-09
- Where to put the litter box: the placement rules that actually prevent accidents
Where to put a litter box, room by room, plus rules for small apartments and multi-cat homes, based on ASPCA, AAHA, and Fear Free behavior guidance.
Updated 2026-07-09
Why Does the Litter Box Smell So Bad? The Real Chemistry Behind ItLitter box odor comes from bacteria converting urea into ammonia. Here's the chemistry, what actually cuts the smell, and how litter types compare.
Updated 2026-07-09