Clumping Clay
Dr. Elsey's Ultra
The gold standard for dust-free clay litter. Rock-solid clumps, very low dust, and excellent day-to-day usability.
Overall score
9.4/10
Cost per day
$0.51
Reviewed Mar 7, 2026
Head-to-head comparison
Dr. Elsey's Ultra vs Naturally Fresh Walnut
Compare dust, clumping, odor control, tracking, and daily cost side by side. Dr. Elsey's Ultra is the better fit here for dust-sensitive homes.
ReviewCatLitter editorial teamUpdated Mar 7, 2026
This comparison page is maintained by the ReviewCatLitter editorial team and grounded in the same scoring framework used across the published review catalog.
Walnut Shell (Natural)
Naturally Fresh Walnut
A walnut-shell litter that clumps harder than many natural competitors and absorbs odor naturally without added fragrance.
Overall score
8.8/10
Cost per day
$0.54
Reviewed Nov 18, 2025
Overall winner
Dr. Elsey's Ultra
Dr. Elsey's Ultra is the strongest all-around pick in this comparison for dust-sensitive homes.
Lowest daily cost
Dr. Elsey's Ultra at $0.51/day
Budget is often the deciding factor in this tier.
Best odor control
Dr. Elsey's Ultra at Strong unscented control
Odor control often decides whether a litter feels tolerable long term.
Tracks less outside the box
Naturally Fresh Walnut at Moderate
Tracking can be more important than overall score in small spaces.
Why Dr. Elsey's Ultra wins this matchup
Primary tradeoff: Dr. Elsey's Ultra's weakest area here is tracking.
Best dust control here at 0.03mg per pour.
Strongest odor control in this set with strong unscented control.
Clumping is a real edge: rock-solid.
| Product | ||
|---|---|---|
| Overall Score | 9.4 | 8.8 |
| Pricing | ||
| Price | $24.99 | $24.99 |
| Weight | 40 lbs | 26 lbs |
| Cost / Day | $0.51 | $0.54 |
| Performance | ||
| Dust Control | 9.4 0.03mg per pour | 8.1 0.13mg per pour |
| Clumping | 9.8 Rock-solid | 8.9 Hard for natural litter |
| Odor Control | 8.5 Strong unscented control | 8.4 Strong natural absorption |
| Tracking Outside the Box | 7.2 Moderate | 7.4 Moderate |
| Value for Cost | 8.8 $0.51/day · $24.99 | 8.1 $0.54/day · $24.99 |
| Features | ||
| Type | Clumping Clay | Walnut Shell |
| Flushable | ||
| Scented | No | No |
| Our Verdict | ||
| Best For | Dust-sensitive homes | Natural clumping without corn |
| Read ReviewCheck Price | Read ReviewCheck Price | |
Best fit
Dr. Elsey's Ultra
Dr. Elsey's Ultra makes the most sense for dust-sensitive homes.
Worth it if
You want the cleanest clay experience with hard clumps and low dust.
Skip it if
You need flushable or lightweight litter.
Best fit
Naturally Fresh Walnut
Naturally Fresh Walnut makes the most sense for natural clumping without corn.
Worth it if
You want a walnut-shell litter that clumps harder than many natural competitors and absorbs odor naturally without added fragrance.
Skip it if
You need a formula that solves dust-sensitive homes better.
If neither option is quite right
These alternatives solve a more specific budget, dust, or material tradeoff.
Read the full reviews
Use this page to choose a winner quickly, then open the full product reviews if you want the long-form test notes.
Keep comparing nearby options
Related matchups that share one of the same products and answer the next likely decision.
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Dr. Elsey's Cat Attract is the strongest all-around pick in this comparison for cats avoiding the litter box.
Winner: Dr. Elsey's Cat Attract
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Dr. Elsey's Ultra is the strongest all-around pick in this comparison for dust-sensitive homes.
Winner: Dr. Elsey's Ultra
Related matchup
Dr. Elsey's Ultra vs Sustainably Yours
Dr. Elsey's Ultra is the strongest all-around pick in this comparison for dust-sensitive homes.
Winner: Dr. Elsey's Ultra
Related matchup
Dr. Elsey's Ultra vs PrettyLitter
Dr. Elsey's Ultra is the strongest all-around pick in this comparison for dust-sensitive homes.
Winner: Dr. Elsey's Ultra
Related matchup
Naturally Fresh Walnut vs PrettyLitter
Naturally Fresh Walnut is the strongest all-around pick in this comparison for natural clumping without corn.
Winner: Naturally Fresh Walnut
Related matchup
Catalyst Soft Wood vs Naturally Fresh Walnut
Naturally Fresh Walnut is the strongest all-around pick in this comparison for natural clumping without corn.
Winner: Naturally Fresh Walnut
Quick Answers
Which is better: Dr. Elsey's Ultra or Naturally Fresh Walnut?
Dr. Elsey's Ultra comes out ahead in this matchup based on the balance of dust, clumping, odor control, tracking, and day-to-day cost.
Which is cheaper per day: Dr. Elsey's Ultra or Naturally Fresh Walnut?
Dr. Elsey's Ultra has the lower daily cost in this head-to-head comparison.
Which has better odor control: Dr. Elsey's Ultra or Naturally Fresh Walnut?
Dr. Elsey's Ultra posts the stronger odor-control result in this comparison page.
Which tracks less outside the litter box: Dr. Elsey's Ultra or Naturally Fresh Walnut?
Naturally Fresh Walnut has the stronger tracking result in this head-to-head comparison.