Introduction
Even the cleanest litter box can become a problem over time. Scratches, stains, and lingering odors can affect your cat’s willingness to use it — and your home’s smell.
How Often Should You Replace a Litter Box?
Veterinarians suggest replacing plastic litter boxes every 6 to 12 months, especially if you're not using disposable liners. Scratches can harbor bacteria and hold onto smells.
Signs It’s Time for a New Litter Box
- Persistent odor even after cleaning
- Visible scratches or staining
- Discoloration or residue buildup
- Your cat starts avoiding the box
- Cracks or brittle plastic
Covered vs. Uncovered Boxes
Covered boxes offer privacy and odor control but may trap moisture. Uncovered boxes are easier to clean and monitor. Choose based on your cat’s preferences.
Tips to Extend Litter Box Life
- Scoop daily and deep clean weekly
- Avoid harsh cleaners that damage plastic
- Use liners to reduce staining and scratching
Recommended Litter Boxes

Final Thoughts
A fresh, clean litter box encourages healthy habits and keeps your home smelling better. Replace it regularly to avoid odor buildup and keep your cat happy.