Walnut shell litter is biodegradable, lightweight, and has a texture similar to clay that most cats accept easily. It's one of the few natural litters that clumps well enough for automatic litter boxes.
Walnut litter is the best bridge between natural and conventional — it looks and feels like clay to your cat, clumps decently, and is actually biodegradable. It's the easiest natural litter to transition a clay-addicted cat onto.
“Walnut shell cat litter: Lightweight; similar texture to clay; biodegradable”
WIRED · read full review →
“Tofu cat litter: Naturally biodegradable and nontoxic; less dusty; clumps well and can even be flushed in the toilet. Can be pricey; can grow mold”
WIRED · read full review →
“Daily litter-box cleaning became a 20-second chore with this litter. Because of its reliable clumping it's also among the best cat litters to use with self-cleaning litter boxes like the Litter-Robot.”
Good Housekeeping · read full review →
