I had been using the cheaper clumping clay litter and it worked well but it was dusty and the litter got all over the place. Since I read Sara's post and the article that she provided, I bought a different brand of litter. I bought this at Petco and it's called "Cat Country Organic Premium Litter." I bought two 20 lb. bags and each bag was only $11.99. Here are the benefits:1.it's made of all natural plant fiber 2.there's no dust or tracking 3.it controls cat odor and lasts twice as long as clay 4.it can be flushed down the toilet 5.it's less expensive to use than clay 6.there's 25% more litter per pound than clay. My cats were very interested in it and I think they liked the smell of this litter. It's also much lighter than the clay kind. I think that everyone is going to like this litter better. Thanks again Sara for the info. You may have saved my cats life and maybe mine as well.