Gross! Also… a big part of the granules get flushed down the toilet. I haven’t investigated Individuals exactly… but I can’t imagine that it is great for the plumbing. The granules seem to be plastic. Maybe they biodegrade? Idk.. not my fav. We are looking in to other units. Pet https://petskyonline-onlinestrore.blogspot.com/2025/07/petkit-purobot-ultra-premier-auto.html