The best infill for pet odor control is Infill X — it eliminates odor at the source rather than absorbing or masking it. Ammonia testing consistently shows near-zero readings even under repeated urine exposure.
Silica sand is the worst option — it provides zero odor protection and ammonia readings rise quickly. Pet-marketed infills like Envirofill and Wonderfill saturate over time and fail.
Best Overall
Infill X
2.8 ppm ammonia reading
Runner Up
CamoFill
Delays odor longer
Avoid
Silica Sand
100 ppm ammonia reading
What Is Turf Infill and Why It Matters
Turf infill is the granular material installed between artificial grass blades after the turf is laid down. While it may look like simple sand or grit, infill plays a critical role in how turf performs and how long it lasts.
Without proper infill, artificial turf mats down quickly, shifts, overheats, and wears out prematurely. For pet turf, infill is even more important.
Blade Support
Infill helps turf blades stand upright, adds weight so the turf stays in place, and protects the backing from sun damage.
Drainage Support
Infill supports drainage so urine can pass through the turf system rather than pooling on the surface.
Impact Absorption
Infill absorbs impact from foot traffic and pets, protecting the turf backing and extending its lifespan.
Ammonia Prevention
The infill layer is the first material to interact with urine. If it cannot manage urine correctly, the turf will smell no matter how often it is rinsed.
Why Pet Turf Smells Like Ammonia
When a dog urinates on artificial turf, the liquid drains through the turf fibers and settles into the infill layer. That infill becomes the first material to interact with the urine.
As urine sits in the turf system, bacteria begin breaking it down. This process creates ammonia gas, which is responsible for the sharp sour smell many pet owners experience.
If the infill cannot manage urine correctly, the turf will smell no matter how often it is rinsed or sprayed. This is why choosing the correct infill is more important than any surface deodorizer.
Turf Infill Ranking From Worst to Best
Ranked by ammonia reader testing results
| Rank | Infill | Verdict |
|---|---|---|
|
#6
|
Silica Sand | Worst |
|
#5
|
Envirofill / Wonderfill | Poor |
|
#4
|
OptiFill | Poor |
|
#3
|
Zeolite Based Infills | Fair |
|
#2
|
CamoFill | Good |
|
#1
|
Infill X | Best |
Turf Infill Ammonia Reading Results
Measured in parts per million (ppm) with ammonia readers
Ammonia Scale Ranges
Individual Infill Reviews
Ranked #6 (worst) to #2 (good). Our #1 pick gets its own dedicated section below.
Silica Sand
The Worst Turf Infill for Pets
When dogs urinate on turf filled with silica sand, the urine drains into the sand and stays there. Ammonia readings on silica infill rise quickly and remain high even after rinsing or deodorizing.
Silica sand is the most commonly used turf infill and the worst option for pet environments. Silica sand was never designed for odor control. It does not neutralize urine, kill bacteria, or reduce ammonia. It does not even claim to. Its only purpose is weight and blade support.
- + Weight and blade support
- + Widely available
- + Inexpensive
- - Zero odor protection short term or long term
- - Urine drains into sand and stays there
- - Moisture builds up, bacteria multiply
- - Ammonia forms rapidly
- - Readings remain high even after rinsing or deodorizing
Ammonia Test Result
Envirofill and Wonderfill
Pet Marketed Infills That Fail Quickly
Once saturated, odor releases back into the air and ammonia readings rise rapidly. Cleaning provides only temporary relief because the source of the odor remains trapped inside the infill.
Envirofill and Wonderfill are very similar mineral based infills often marketed as pet friendly. These infills rely on absorbing odor rather than eliminating it. Initially, this can appear effective. Over time, they become saturated with urine and stop working.
- + Marketed as pet friendly
- + May appear effective initially
- + Slightly better than silica early on
- - Become saturated with urine over time
- - Stop working once saturated
- - Odor releases back into the air
- - Ammonia readings rise rapidly after saturation
- - Cleaning provides only temporary relief
- - Long term results are poor
Ammonia Test Result
OptiFill
Odor Issues Plus Tracking Problems
OptiFill introduces an additional problem. Because it is color treated, the dye can sometimes transfer from the infill granules. This material can track into homes on shoes or dog paws, leaving residue on flooring and entry areas.
OptiFill is often presented as a premium pet infill, but real world performance shows consistent odor issues over time. Like CamoFill, OptiFill slows odor development initially but still allows ammonia buildup as urine exposure continues.
- + Slows odor development initially
- + Color treated appearance
- - Ammonia readings rise steadily over time
- - Turf odor returns despite maintenance
- - Color dye can transfer from granules
- - Tracks into homes on shoes or dog paws
- - Leaves residue on flooring and entry areas
- - Adds extra cleanup beyond odor issues
Ammonia Test Result
Zeolite Based Infills
Absorbs Odor but Does Not Eliminate It
Note: Zeolite also requires ongoing treatment to prevent unhealthy bacterial buildup. Once the pores fill with urine and ammonia, zeolite stops working.
Zeolite based infills are often considered an upgrade from basic infills because they absorb ammonia odors well at first. Turf with zeolite frequently smells fine when new. The problem is saturation.
- + Absorbs ammonia odors well at first
- + Considered an upgrade from basic infills
- + Turf smells fine when new
- - Saturation is inevitable
- - Does not neutralize ammonia
- - Does not stop bacterial growth
- - When saturated, ammonia readings rise quickly
- - Odors return suddenly
- - Multi dog homes or warm climates saturate faster
- - Requires ongoing treatment to prevent bacterial buildup
Ammonia Test Result
CamoFill
Longer Lasting but Still Smells Over Time
Note: CamoFill still relies on suppressing odor rather than destroying it. Over time, repeated urine exposure overwhelms the material and pet odors return.
CamoFill performs better than zeolite and delays odor longer. It represents a step forward in infill technology. Ammonia readings rise more slowly, and turf stays usable for a longer period.
- + Performs better than zeolite
- + Delays odor longer
- + Step forward in infill technology
- + Ammonia readings rise more slowly
- + Turf stays usable for longer period
- - Still relies on suppressing odor rather than destroying it
- - Repeated urine exposure overwhelms the material
- - Pet odors return over time
Ammonia Test Result
Infill X
Self Deodorizing and Rechargeable Turf Infill
Best Turf Infill for Pets Short Term and Long Term
Infill X operates in a completely different category than every infill above. It is designed to eliminate odor at the source rather than absorb or mask it. Ammonia testing consistently shows clean and normal readings of 2.8 ppm.
This performance holds immediately after installation and long term under repeated urine exposure. Infill X does not go through a saturation phase where it suddenly fails weeks or months later.
Eliminates Odor at the Source
Infill X is designed to eliminate odor at the source rather than absorb or mask it. It activates when moisture touches it.
Neutralizes Ammonia Instantly
When urine enters the turf system, the infill immediately begins neutralizing ammonia and interrupting bacterial activity.
Zero Saturation Phase
Infill X does not go through a saturation phase where it suddenly fails weeks or months later like zeolite or other absorbent infills.
Rechargeable Technology
Instead of being removed and replaced, Infill X can be recharged through professional treatment and restored to near new performance.
Ammonia Reading Comparison
2.8
Infill X — Clean
100.0
Silica Sand — Extreme
Understanding the Ammonia Scale
Common ammonia scale ranges used for testing
Click any bar to expand details
Actual Test Results by Infill Type
Proof of Ammonia Readers Testing Turf Infill
Watch the ammonia reader testing in action
Watch how we tested each infill type with ammonia readers to get accurate real-world measurements.
Maintenance Reality: What Each Infill Actually Requires
The infill you choose determines your maintenance burden for the next decade. Here is an honest schedule broken down by infill type — plus the three mistakes that undo every other good decision you made.
- Rinse the full turf area with water to flush urine concentration
- Spot-check any areas where pets frequently urinate — groom with a stiff broom
- Apply enzyme cleaner for non-antimicrobial infills (silica sand, plain sand, zeolite)
- Brush blades upright with a turf rake or stiff broom
- Inspect drainage holes in the backing for blockage
- Deep clean with diluted enzyme solution and full surface rinse
- Evaluate infill depth — top up if below 1 inch from blade tips
- Zeolite: assess saturation with a sniff test after a warm-day rain
- Zeolite replacement if odor control has declined significantly
- Sand infills: consider full professional deep clean or infill refresh
3 Maintenance Mistakes That Ruin Any Infill
Using bleach directly on turf
Why it fails: Degrades turf fiber UV stabilizers, voids most warranties, and kills beneficial microflora without solving bacterial root cause.
The fix: Use a diluted enzyme cleaner or purpose-formulated turf deodorizer instead.
Skipping rinsing after pet use
Why it fails: Concentrated urine sitting on the surface for 24+ hours allows ammonia to permeate infill particles and fiber backing.
The fix: Rinse within 24 hours of heavy use — a simple garden hose is sufficient.
Using a pressure washer
Why it fails: High pressure displaces infill unevenly, can break turf fiber, and compacts the base layer, damaging drainage.
The fix: Use a low-pressure hose or trigger nozzle at a downward angle.
Related Reading
Pet Deodorizing Infill vs. Professional Extraction: Why True Urine Removal Wins Every Time
7 min readChoosing the Right Infill for Artificial Turf: Safe Options for Kids and Pets
9 min readEnsuring Adequate Infill for Your Artificial Turf: Do You Have Enough?
6 min readHow Dog Pee Turns Into Ammonia Smells In Artificial Turf And Why It Gets Worse Over Time
8 min readFrequently Asked Questions
Common questions about turf infill and pet odor control
Pet turf odor problems are almost always infill problems. Surface sprays and enzymes may help temporarily, but they cannot fix the wrong infill underneath. If your turf smells, it is not your dog. It is the infill. The infill layer is the first material to interact with urine, and if it cannot manage urine correctly, the turf will smell no matter how often it is rinsed or sprayed.
Infill X is designed to eliminate odor at the source rather than absorb or mask it. It activates when moisture touches it. When urine enters the turf system, the infill immediately begins neutralizing ammonia and interrupting bacterial activity. Unlike zeolite or other absorbent infills, Infill X does not go through a saturation phase where it suddenly fails weeks or months later.
Like all materials, Infill X has a usable lifespan. The difference is how it is maintained. Instead of being removed and replaced, Infill X can be recharged through professional treatment and restored to near new performance. This eliminates infill tear out, excavation, and replacement costs while maintaining long term odor control.
Envirofill and Wonderfill rely on absorbing odor rather than eliminating it. Initially, this can appear effective. Over time, they become saturated with urine and stop working. Once saturated, odor releases back into the air and ammonia readings rise rapidly. Cleaning provides only temporary relief because the source of the odor remains trapped inside the infill.
Zeolite based infills absorb ammonia odors well at first, and turf with zeolite frequently smells fine when new. The problem is saturation. Once the pores fill with urine and ammonia, zeolite stops working. It does not neutralize ammonia or stop bacterial growth. When saturation occurs, ammonia readings rise quickly and odors return suddenly. In multi dog homes or warm climates, this can happen fast.
Yes. Silica sand is the most commonly used turf infill and the worst option for pet environments. It was never designed for odor control. It does not neutralize urine, kill bacteria, or reduce ammonia. When dogs urinate on turf filled with silica sand, the urine drains into the sand and stays there. Moisture builds up, bacteria multiply, and ammonia forms rapidly. Our testing showed ammonia readings of 100.00 ppm.
OptiFill is often presented as a premium pet infill, but real world performance shows consistent odor issues over time. OptiFill also introduces an additional problem. Because it is color treated, the dye can sometimes transfer from the infill granules. This material can track into homes on shoes or dog paws, leaving residue on flooring and entry areas. This adds extra cleanup and frustration beyond odor issues.
The Bottom Line
Pet turf odor problems are almost always infill problems. Surface sprays and enzymes may help temporarily, but they cannot fix the wrong infill underneath.
If your turf smells, it is not your dog. It is the infill.
Choosing the correct turf infill from the start is the difference between a yard that smells in weeks and one that stays fresh for years.
Based on our ammonia reader testing, Infill X is the clear winner with a reading of just 2.8 ppm (clean/normal), while every other infill tested in the severe to extreme range (72-100 ppm). Infill X eliminates odor at the source rather than absorbing or masking it, and it can be recharged through professional treatment rather than requiring full replacement.
Ready to Eliminate Pet Odor at the Source?
Shop Infill X — the only infill that eliminates odor rather than absorbing or masking it. Ammonia readings of 2.8 ppm vs 100+ ppm for other infills.