Gross! Also… a substantial part of the granules get flushed down the toilet. I haven’t researched those accurately… but I am able to’t visualize that it's superior for your personal plumbing. The granules appear to be plastic. Maybe they biodegrade? Idk.. not my fav. We've been looking in to other https://yoursocialpeople.com/story5639188/the-automatic-litter-box-diaries