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The refill for the reusable tray

PetSafe ScoopFree crystal litter, 2-pack

Two 2 kg (4.4 lb) bags of PetSafe premium crystal litter, compatible with any ScoopFree automatic or crystal system and with conventional litter boxes.

PetSafe ScoopFree premium crystal cat litter two pack

PetSafe ScoopFree crystal litter, 2-pack

Two 2 kg (4.4 lb) bags of PetSafe premium crystal litter, compatible with any ScoopFree automatic or crystal system and with conventional litter boxes.

Contents
Two 2 kg (4.4 lb) bags
Type
Crystal — absorbs urine, dries solids
Compatibility
Any ScoopFree automatic or crystal system, and conventional boxes
Amazon reference
B01J5GE3MA (identical on 6 markets)
EAN
0729849157118
  • The consumable that makes the reusable tray worthwhile
  • Crystals dry solids rather than clumping them — different smell profile from clay
  • Crystal litter is not suitable for clumping machines — it jams rakes built for clay

Best for: A ScoopFree owner with the reusable tray, and anyone whose cat prefers crystals.

≈ $24
Check price on Amazon

Specifications

Contents
Two 2 kg (4.4 lb) bags
Type
Crystal — absorbs urine, dries solids
Compatibility
Any ScoopFree automatic or crystal system, and conventional boxes
Amazon reference
B01J5GE3MA (identical on 6 markets)
EAN
0729849157118

What it is

Two 2 kg (4.4 lb) bags of PetSafe premium crystal litter, for ScoopFree automatic and crystal systems and for ordinary litter boxes.

Where it belongs

In a crystal machine, or in the reusable ScoopFree tray. Not in a clumping drum: crystals never form the clump those machines are built to lift, and the result is a machine that appears broken.

The texture question

Crystals feel different underfoot from clay or tofu, and a minority of cats refuse them. That is worth discovering with one bag in a normal tray before buying a machine designed around them.

What it changes about smell

Urine is absorbed and solids dry out rather than being sealed into a clump. Less ammonia, more visible waste — which is why the machines that use it are hooded.

The questions owners ask

Can I use crystal litter in a clumping machine?

No. Rakes and drums built for clumping litter need a clump to lift; crystals do not form one, and the machine either sorts nothing or jams. Litter type follows the machine, always.

Do cats like crystals?

Some do, some refuse them outright — the texture is harder underfoot than clay or tofu. If you are switching to a crystal machine, that is worth testing with a small bag in an ordinary box first.

How is odor control different?

Crystals absorb urine and dry solids rather than sealing them in a clump. Owners generally report less ammonia and more visible waste — which is exactly why the covered, top-entry machines in this range exist.

Products this fits

More waste cassettes & liners

  • PetSafe ScoopFree reusable litter tray with crystal litter

    PetSafe ScoopFree reusable tray

    A durable, leak-proof tray with rounded edges that takes PetSafe crystal litter and is refilled by hand — the alternative to buying disposable trays for ever.

    Type
    Reusable tray, refilled by hand
    Construction
    Durable leak-proof plastic, rounded edges
    Litter
    PetSafe premium crystal litter
    Amazon reference
    B01J5GE3GQ (identical on 6 markets)
    EAN
    0729849157101
    • Pays for itself against disposable trays within months, not years
    • Rounded edges mean it actually empties, rather than trapping litter in corners
    • You now handle the crystals yourself — the thing the disposable system exists to avoid

    Best for: ScoopFree owners doing the arithmetic on year two.

    ≈ $42
    Check price on Amazon
  • PetSafe ScoopFree disposable litter trays three pack

    PetSafe ScoopFree disposable tray, 3-pack

    Pre-filled disposable trays for the ScoopFree system: the crystals absorb urine and dry solids, and the whole tray is thrown away rather than emptied.

    Contents
    Three disposable trays, pre-filled with blue crystal litter
    Handling
    PetSafe: no seeing, touching or smelling the waste
    System
    ScoopFree automatic boxes
    Amazon reference
    DE B00CWR7HFK · US B00DQXR8N0 · GB B00CWR7HFK · FR B00CWR7HFK · IT B00CWR7HFK · ES B00CWR7HFK
    EAN
    0707005187070
    • Nothing to scoop, wash or refill — the entire tray goes in the bin
    • Crystals dry solids, which is what keeps the smell down between changes
    • This is the expensive way to own a litter box, and it never stops

    Best for: ScoopFree owners who bought the machine for exactly this — no contact with the waste at all.

    ≈ $40
    Check price on Amazon
  • KMKMVV fifteen-pack of refill bags and cassette for Litter Genie litter pails

    KMKMVV Litter Genie refills, 15-pack

    Fifteen third-party refill bags with a cassette for the Litter Genie disposal pails, in seven-layer film, at $24.99.

    Contents
    15 refill bags and 1 refill cassette
    Price
    $24.99
    Fits
    Litter Genie Standard, Plus and XL pails
    Film
    7 layers
    Stated life per bag
    Up to 8 weeks, one cat
    Genuine comparison
    3 XL cassettes ≈ $80, or $26.67 each
    Loading
    Film is assembled into the cassette by hand
    Film thickness
    Not published
    Cassette reusable afterwards
    Not published
    Amazon reference
    B0F9KZSCBM
    EAN
    0769293643034
    • The whole fifteen-pack costs less than one genuine XL cassette
    • A cassette is included, so a pail with a broken cartridge becomes usable again
    • The film is loaded by hand rather than dropped in sealed

    Best for: A Litter Genie owner who has priced a year of genuine cassettes

    Check price on Amazon

Elsewhere in the cupboard

  • Purina Tidy Cats clumping cat litter box made for Litter-Robot

    Purina Tidy Cats Designed for Litter-Robot

    A hard, fast-clumping clay litter formulated for the Litter-Robot, with a motion-activated scent released on every cleaning cycle.

    Weight
    9.98 kg (22 lb)
    Price per kilo
    $2.00
    Type
    Clumping clay
    Designed for
    Litter-Robot 4 and previous generations
    App setting named
    The Perfect Cycle, in the Whisker app
    Scent
    Motion-activated, released on every cycle
    Crystal machines
    Not suitable — clumping clay jams them
    Dust rating
    Not published
    Clump time
    Not published
    Amazon reference
    B0DVZD2LJR
    EAN
    0070230100559
    • Two dollars a kilo, against $3.58 for the other litter on this shelf
    • Formulated around a named cycle rather than a generic claim
    • Releases a scent on every cycle, several times a day, into the box the cat uses

    Best for: A Litter-Robot in a household where a scented litter has never been a problem

    Check price on Amazon
  • Sure Petcare RFID collar tag for microchip cat flaps

    Sure Petcare RFID collar tag

    An RFID tag for the collar, working with SureFlap microchip flaps and pet doors, SureFeed microchip feeders and Felaqua Connect — the fallback when a chip reads badly.

    Works with
    All SureFlap microchip cat flaps and pet doors, SureFeed microchip feeders, Felaqua Connect
    Function
    Selective access without relying on the implanted chip
    Amazon reference
    DE B00B5BEK54 · US B018F2HSFO · GB B018F2HSFO · FR B018F2HSFO · IT B018F2HSFO · ES B018F2HSFO
    EAN
    5060180390341
    • Solves the one failure mode of a microchip door — a chip that has migrated or reads intermittently
    • Works across the whole Sure Petcare range, including the feeders
    • It hangs on a collar, and collars come off — which is the problem chips were meant to solve

    Best for: A cat whose chip the door reads unreliably — and as a spare before that happens.

    Check price on Amazon
  • SureFlap tunnel extender three pack in white

    SureFlap Tunnel extender, 3-pack

    A three-pack of 50 mm (1.97 in) tunnel extenders in white, for SureFlap microchip cat flaps, DualScan and Connect models — 150 mm (5.91 in) of wall in one purchase.

    Contents
    Three extenders, 50 mm (1.97 in) each
    Material
    White plastic
    Compatible with
    SureFlap Microchip Cat Flap, DualScan and Connect
    Amazon reference
    B0DX2LZQBX (identical on 6 markets)
    EAN
    5060180394387
    • Cheaper per extender than buying them singly
    • 150 mm (5.91 in) covers most cavity walls in one order
    • Still proprietary, and still an unexpected cost on top of the flap

    Best for: A wall installation, ordered at the same time as the flap rather than a week later.

    Check price on Amazon

All waste cassettes & liners

Prices quoted in these summaries are dated readings. The live price is shown next to each product.