Tofu cat litter is cheaper than bentonite and flushable.
Tips
culture
Main types on the Chinese market: 膨润土 (bentonite, clumping), 豆腐 (tofu, plant-based flushable), 水晶 (silica gel), 松木 (pine). Tofu litter became very popular in China for being flushable and biodegradable.