Side-by-side comparison based on expert reviews and community consensus.
Arm & Hammer Clump & Seal Platinum Cat Litter
Best Odor ControlDr. Elsey's Ultra Unscented Cat Litter
Best OverallPrice
$18-$22
$21-$24
Summary
Baking soda-powered odor elimination with tight, easy-to-scoop clumps. Tens of thousands of five-star Amazon reviews and consistent Reddit recommendations make this the top pick for odor-sensitive households.
The go-to clay litter recommended by vets, experts, and Reddit alike. Medium-grain bentonite clay forms rock-hard clumps that make scooping a 20-second chore, with zero added fragrance.
Pros
- Baking soda formula provides superior odor absorption
- Forms tight, firm clumps that don't break apart during scooping
- Works well in automatic litter boxes
- Tens of thousands of five-star Amazon reviews and widely recommended on Reddit
- Medium-size bentonite clay granules form hard, easy-to-scoop clumps
- No added scent — vet-preferred and controls odor naturally
- Compatible with self-cleaning litter boxes like the Litter-Robot
- 40-lb bag lasts up to two months with one cat at ~52¢/lb
Cons
- Scented formula — a dealbreaker for cats sensitive to fragrance
- Some tracking reported
- Higher cost at ~$1.05/lb compared to unscented alternatives
- 40-pound bag is very heavy and awkward to pour
- Initial pour can kick up dust before it settles
- Pricier per pound than budget options like Special Kitty
Our take
If your litter box is anywhere near living space, Clump & Seal is your answer. The baking soda formula genuinely neutralizes odor — testers reported no smell even after going unscooped for several days.
If you only try one litter, make it Dr. Elsey's. It's the rare product that experts and cat owners on Reddit agree on — unscented, hard-clumping, and works in automatic boxes too.
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