Head to head
Dr. Elsey's Ultra vs Arm & Hammer Slide (2027)
Head-to-head: Dr. Elsey's Precious Cat Ultra versus Arm & Hammer Clump & Seal Slide on scent, clumps, odor control, and tray cleaning.


Dr. Elsey's Precious Cat Ultra Clumping Clay Litter
The unscented hard-clumping clay that vets and multi-cat homes keep reordering.
- Type: Clumping clay litter
- Scent: Unscented

Arm & Hammer Clump & Seal Slide Platinum Multi-Cat Litter
A scented multi-cat clay built so clumps slide out without scraping.
- Type: Clumping clay litter
- Scent: Scented, fresh scent
Our recommendation
Choose Dr. Elsey's Ultra for unscented, hard-clumping simplicity that picky cats accept. Choose Arm & Hammer Slide if stuck-on clumps and multi-cat odor are your main battles and your cats tolerate scented litter.
Scent approach
Ultra is fully unscented and controls odor by removing waste in intact clumps. Slide is scented and adds odor sealing and masking on top of clumping. For scent-sensitive cats and people, this difference alone decides the comparison.
Tray release and cleaning
Slide's non-stick formula is its party trick: clumps and waste release from plastic instead of cementing to corners, cutting scrub time. Ultra clumps are harder and cleaner to scoop, but can stick if litter depth runs shallow.
Dust and tracking
Both are fine clay litters, so both track and both benefit from a mat. Ultra earns more low-dust praise from owners; Slide earns more praise for how the litter room smells between scoopings in busy multi-cat homes.
Choose Dr. Elsey's Precious Cat Ultra Clumping Clay Litter if…
- Your cat has rejected scented litter before
- You want the hardest, cleanest-scooping clumps
- You prefer low-dust pouring
Choose Arm & Hammer Clump & Seal Slide Platinum Multi-Cat Litter if…
- Clumps sticking to the tray drive you mad
- Multi-cat odor needs scented reinforcement
- Your cats are unbothered by fragrance
Questions, answered
Which controls odor better for three cats?
Slide, if the cats accept scent, thanks to its sealing and masking. Ultra controls odor very well unscented, provided you scoop twice a day at that cat count.
Which is better for a cat new to the home?
Ultra. Unscented, familiar-textured litter gives a settling cat one less reason to avoid the tray.
Can I mix the two?
You can during a transition, and many owners layer Slide under Ultra. Long term, pick one so you can judge clumping and odor fairly.