4.5(45,300)Amazon rating$24.9920,000+ bought last month
Our verdict
PetSafe's ScoopFree crystal litter is a silica gel refill built for the ScoopFree automatic litter box but also listed as compatible with reusable trays, and its 4.5 star average across more than 45,000 reviews makes it one of the most reviewed litters in this lineup.
ScoopFree automatic litter box owners who need refill bags, or anyone wanting a low-maintenance silica crystal litter for a reusable tray.
Skip if
You use a standard open litter box and prefer traditional clumping clay litter over crystal formulas.
Form Pellet
Weight 4.17 Kilograms
Our scorecard
4.5/5overall
Owner rating4.5/5
4.5 average across 45,300 owner ratings
Popularity4.9/5
45,300 owner reviews, more than most models here
The overall score is owner satisfaction weighted by how many reviews back it, so a high rating from few reviews counts for less. The bars below show where this model stands against the other dog and cat food, health, gear and grooming we track in this category on price, popularity and size. Context, not marks against it, and our read of the data, not a lab test.
Overview
["This two-pack bundles 4.3 lb bags of PetSafe's premium silica gel crystal litter, built to work with the ScoopFree automatic litter box system but also listed as reusable tray compatible for owners who want to use it outside the automatic setup.", 'PetSafe markets this crystal formula as outperforming clay litter on odor control and moisture absorption, with a Fresh scent added and a 1 year manufacturer warranty backing the broader ScoopFree product line.', "At $24.99 for the two-pack, it's a mid-range option, and with more than 45,000 reviews averaging 4.5 stars plus about 20,000 units bought in the past month, it's clearly one of the most established crystal litter products in this lineup."]
Pros
Compatible with both ScoopFree automatic boxes and reusable trays
Silica gel crystal formula marketed to outperform clay on odor control
Fresh scent included
Backed by a 1 year manufacturer warranty
Massive review base of more than 45,000 at a 4.5 star average
Cons
Primarily built around the ScoopFree ecosystem, so non-ScoopFree owners need to confirm tray compatibility first
Crystal litter requires a different waste-removal routine than clumping clay
4.2 lb capacity per bag means frequent restocking for heavy multi-cat use
Specifications
Form
Pellet
Weight
4.17 Kilograms
Performance notes
As a silica gel crystal litter, it absorbs liquid waste and locks in odor at the crystal level rather than clumping, which is the mechanism PetSafe's ScoopFree automatic box is designed around, while the reusable tray compatibility means owners without the automatic system can still use the same refill litter.
What buyers say
With more than 45,000 reviews averaging 4.5 stars and about 20,000 units bought in the past month, this is one of the highest-volume, most established products in the entire cat litter lineup.
Does this litter only work with the ScoopFree automatic litter box?
It's built for the ScoopFree system, but PetSafe also lists it as compatible with reusable trays, so it can work outside the automatic setup too.
How does silica crystal litter compare to clay?
PetSafe markets this crystal formula as outperforming clay on odor control and moisture absorption, and crystal litter is generally lighter and lower dust, though it doesn't form clumps the way clay does.
Is there a warranty on this product?
Yes, PetSafe backs it with a 1 year manufacturer warranty.
We use necessary cookies to keep the site working. With your permission, we also use functional, analytics, and marketing cookies. Read our Cookie Policy.
