Gross! Also… a large part of the granules get flushed down the toilet. I haven’t investigated Individuals accurately… but I'm able to’t imagine that it's excellent for your personal plumbing. The granules seem to be plastic. Probably they biodegrade? Idk.. not my fav. We are wanting in to other systems. https://7prbookmarks.com/story20244709/the-smart-trick-of-automatic-litter-box-that-no-one-is-discussing