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The Truth About Flushing Tofu Litter

One of tofu litter's biggest selling points is that it's "flushable." But is it safe? Should you actually do it? Let's dig into the facts about flushing tofu litter down the toilet.

The Short Answer: Yes, But With Caveats

Most pure tofu litters are biodegradable and designed to dissolve in water. Unlike clay or silica, they won't turn into concrete in your pipes. However, whether you should flush depends on your plumbing, local regulations, and septic system.

1. Check Your Plumbing

Older pipes or homes with weak water pressure may struggle with any foreign material, even biodegradable litter. If your toilet tends to clog easily, don't risk it.

2. Septic Systems: Proceed with Caution

Tofu litter is biodegradable, but it can still add extra solid waste to your septic tank. Flushing small amounts occasionally is usually fine, but daily flushing of large clumps can overwhelm the system. Check with a septic professional if you're unsure.

3. Municipal Sewers: Generally Safe

If you're connected to a city sewer system, flushing tofu litter is typically safe. The material breaks down and won't harm the treatment process. Just flush small amounts at a time and never flush hybrid litters that contain clay or silica.

4. Environmental Considerations

While tofu litter is biodegradable, cat waste can contain parasites like Toxoplasma gondii, which can survive wastewater treatment and harm marine life. For this reason, some environmental groups recommend composting or trashing cat waste instead of flushing.

Best Practice: Flush Sparingly

Our recommendation: flush only urine clumps and small amounts. For larger clumps and solid waste, dispose of them in a sealed bag in the trash. This minimizes plumbing risks and environmental impact while still enjoying the convenience of tofu litter's flushability.

Never Flush These:

  • Clay or bentonite litter (even if mixed with tofu)
  • Silica gel or crystal litter
  • Litter with added clumping agents or chemicals
  • Large amounts of any litter at once