If you need an automatic litter box but are not planning to spend many hundreds of dollars, look into the Pet Zone Smart Scoop, which proficiently filters odors and catches clumps with its very well-intended rake. Tofu/soybean litter is amongst the costlier cat litters available (only hemp is more expensive). https://andresqvaeh.blog2news.com/33883602/5-essential-elements-for-cat-litter-at-tractor-supply