How often
How often should you replace cat litter?
Clump daily; full refresh about every 2–4 weeks
Scoop clumps every day. A full tray refresh is usually every two to four weeks, sooner for more than one cat.
Signs it is worn out — save it nowSave one of these

Cat litter
Every 3 weeks

Catsan Hygiene Non-Clumping Cat Litter 20L
Every 3 weeks

Cat&Rina Tofu Cat Litter Tray 5.5L Vegetable Clumping Cat Litter - Up…
Every 3 weeks
Why replace it
Ammonia build-up is what makes a tray smell through the house. Fresh litter is the reset, not more spray.
Signs it is worn out
- The tray smells from the doorway
- The cat starts going elsewhere
- The bag you opened is empty
Source: Typical household interval. As an Amazon Associate I earn from qualifying purchases.
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