Gross! Also… a large part of the granules get flushed down the rest room. I haven’t researched All those specifically… but I'm able to’t picture that it is very good to your plumbing. The granules appear to be plastic. Perhaps they biodegrade? Idk.. not my fav. We have been searching https://petskyonline-onlinestrore.blogspot.com/2025/07/petkit-purobot-ultra-premier-auto.html