Keeping a litter box clean is one of the less enjoyable parts of living with a cat. For owners using a compatible PetSafe ScoopFree system, disposable crystal litter trays offer a convenient alternative to repeatedly scooping and replacing traditional litter.
In this PetSafe ScoopFree Crystal Litter review, we’ll look at the Premium Blue Crystal 6-Pack, including its main features, odor-control benefits, potential drawbacks, value, and who should consider buying it.
If you’re still comparing different litter options, check out our Top 10 Best Cat Litter Brands in 2026 before deciding.
PetSafe ScoopFree Crystal Litter at a Glance
PetSafe ScoopFree Crystal Litter Tray Refills are disposable trays designed for compatible ScoopFree self-cleaning litter boxes.
The version we’re reviewing contains six trays filled with Premium Blue Crystal litter.
Brand: PetSafe
Product: ScoopFree Crystal Litter Tray Refills
Litter: Premium Blue Crystals
Pack Size: 6 trays
Features: Disposable tray, leak protection and low tracking
Scent shown: Fresh
Designed for: Compatible ScoopFree litter-box systems
At the time shown on Amazon, the 6-pack was priced at approximately $119, but Amazon prices and discounts can change.
[Check Current Price on Amazon →]
What We Like About PetSafe ScoopFree Crystal Litter
1. Convenient Disposable Trays
The biggest attraction is convenience.
Instead of handling loose litter and thoroughly cleaning a traditional litter pan every time you replace the litter, these refills come as disposable trays for compatible ScoopFree systems.
That can make litter-box maintenance simpler for owners who value convenience.
However, this convenience comes at a higher cost than many traditional litter options.
2. Crystal Litter for Odor Control
PetSafe uses crystal litter rather than traditional clay litter in these trays.
Crystal litter is designed to absorb moisture and help manage litter-box odors. This makes the product particularly interesting for indoor households where controlling litter-box smell is a priority.
For a broader look at odor control, read our Best Cat Litter for Odor Control in 2026.
3. Designed for Low Tracking
Another advertised feature is low tracking.
Tracking occurs when litter sticks to a cat’s paws and gets carried outside the litter box.
No litter can guarantee a completely litter-free floor, but larger crystal particles may be appealing to owners who are tired of finding fine litter throughout their home.
4. Leak Protection
The disposable tray is also designed with leak protection.
This is particularly useful because liquid reaching the floor beneath a litter box can cause unpleasant odors and additional cleaning.
The tray-and-litter combination aims to simplify the entire replacement process.
[See PetSafe ScoopFree Refills on Amazon →]
How Does Crystal Litter Work?
Crystal cat litter is typically made from highly absorbent silica-gel crystals.
Instead of forming traditional clumps like many clay litters, the crystals absorb moisture while allowing liquid to evaporate over time.
This is one of the major differences between crystal and clay litter.
If you’re unsure which type is better for your cat, read our Crystal vs Clay Cat Litter: Pros, Cons & Buying Guide.
Pros and Cons
Pros
✓ Convenient disposable design
✓ Crystal litter designed for odor control
✓ Low-tracking design
✓ Leak protection
✓ Works with compatible ScoopFree systems
✓ Multiple trays in one package
✓ Less hands-on litter-box maintenance
Cons
✗ More expensive than many traditional cat litters
✗ Designed for specific compatible litter-box systems
✗ Some cats may need time to adjust to crystal litter
✗ Disposable trays create more waste than reusable litter pans
✗ Buying a 6-pack requires a relatively large upfront purchase
Is PetSafe ScoopFree Good for Odor Control?
Odor control is one of the main reasons owners consider crystal litter.
The crystals are intended to absorb moisture and control waste odors, while the disposable tray helps keep the litter system contained.
However, actual performance depends on several factors, including the number of cats using the box, their bathroom habits, room conditions and how frequently the tray is replaced.
If odor is your biggest problem, see our Best Cat Litter for Odor Control guide for other options.
Is It Really Low Tracking?
PetSafe markets these refills as low tracking.
Crystal litter generally has a different particle structure from fine clay litter, but some tracking around the box can still occur.
Using a litter mat in front of the box can further reduce crystals being carried throughout your home.
How Often Should You Replace a ScoopFree Tray?
There isn’t one replacement interval that’s right for every household.
How long a tray lasts can depend on:
- Number of cats
- Cat size
- Frequency of use
- Waste volume
- Room humidity
- Individual cat habits
Rather than relying only on a fixed number of days, monitor odor, crystal saturation and the condition of the tray.
You can also read our How Often Should You Change Cat Litter? Complete Guide for general litter-maintenance advice.
Who Should Buy PetSafe ScoopFree Crystal Litter Refills?
This product makes the most sense for someone who already owns or plans to use a compatible PetSafe ScoopFree litter-box system.
It’s particularly appealing if your priorities are convenience, reduced daily litter maintenance, odor control and easier tray replacement.
It may not make sense if you’re simply looking for the cheapest possible litter.
That’s an important distinction for an honest review: you’re paying partly for convenience, not just for the litter itself.
Is the 6-Pack Good Value?
This is where things become interesting from a buying-guide perspective.
In your Amazon listing, the 6-pack is shown at approximately:
$119 ÷ 6 = about $19.83 per tray.
Amazon also shows smaller and larger pack options, so buyers should compare the price per tray, not simply the total package price.
Prices can change, so don’t hard-code “$119” into an Amazon purchase button.
[Check Today’s Amazon Price →]
PetSafe ScoopFree vs Traditional Cat Litter
The main difference comes down to convenience versus cost.
Traditional clay or clumping litter is widely available and may cost less, but owners normally have to scoop waste and periodically clean the litter box themselves.
The ScoopFree system is aimed at reducing that workload through a compatible self-cleaning system and replaceable trays.
For owners deciding between litter types, see our Clumping vs Non-Clumping Cat Litter: Which One Should You Choose?
PetSafe ScoopFree Crystal Litter: Our Verdict
PetSafe ScoopFree Crystal Litter Tray Refills are an interesting option for cat owners who prioritize convenience and easier litter-box maintenance.
The Premium Blue Crystals are designed to help with odor control and tracking, while the disposable tray eliminates some of the mess associated with cleaning reusable litter pans.
The biggest drawback is cost. At around $20 per tray in the listing we reviewed, it is clearly a more premium solution than simply buying a bag of conventional litter.
CatJoyLife Rating
★★★★☆ 4.6/5
Best for: ScoopFree owners prioritizing convenience
Odor Control: ★★★★★
Convenience: ★★★★★
Tracking Control: ★★★★☆
Value for Money: ★★★★☆
[Check Latest Price on Amazon →]
Frequently Asked Questions
Is PetSafe ScoopFree litter clumping?
The ScoopFree refill shown here uses crystal litter rather than conventional clumping clay litter.
Can I use these trays with any litter box?
No. You should verify compatibility with your specific PetSafe ScoopFree model before purchasing.
Does crystal litter reduce odors?
Crystal litter is designed to absorb moisture and help control odors, although results depend on usage and household conditions.
Is the 6-pack better than buying individual trays?
It can be, but always compare Amazon’s current price per tray because prices, coupons and pack discounts change.
Is PetSafe ScoopFree worth the higher price?
For owners who value convenience and already use a compatible ScoopFree system, the additional cost may be worthwhile. Owners primarily looking for inexpensive litter will probably find traditional options more economical.