Use biochar cat litter to capture the smell of ammonia from your cat box. Just a quart bag mixed into your cat litter with help remove the smell typically wafting from a litter box. Biochar cat litter conditioner lasts a long time and works because biochar is structured to capture and lock in the odor. We all love our cats but we want a safe, organic option to remove the bad stink from cat litter. Biochar mixed into the litter will make you, your cat and everyone that visits very happy.