Gross! Also… a substantial portion of the granules get flushed down the rest room. I haven’t investigated People specifically… but I can’t envision that it's very good to your plumbing. The granules seem to be plastic. Probably they biodegrade? Idk.. not my fav. We're looking in to other units. Hi https://petskyonline-onlinestrore.blogspot.com/2025/07/petkit-purobot-ultra-premier-auto.html