Then we tested 18 different corn, wood, grass, wheat, walnut, and tofu formulas for this guide. The best overall natural litter is Sustainably Yours Small-Grain Formula, a corn and cassava litter ...

Eating grass There's no one accepted theory ... "Cats love to be in small cozy places. Some litter boxes provide that space for them, so they can rest, hide, and take a short break from play ...