Clay litter is usually hefty, which often can pose problems for some individuals who locate it hard to lift hefty litter containers and pour litter in the box. Finally, clay cat litter is not environmentally friendly. Tofu/soybean litter has become the costlier cat litters offered (only hemp is more expensive). https://katherinex898gqn5.ltfblog.com/32264081/the-single-best-strategy-to-use-for-sand-for-cat-litter