Gross! Also… a sizable percentage of the granules get flushed down the bathroom. I haven’t investigated those particularly… but I'm able to’t imagine that it's superior for your personal plumbing. The granules seem to be plastic. Probably they biodegrade? Idk.. not my fav. We're wanting in to other programs. Although https://bouchesocial.com/story22367348/indicators-on-robotic-pet-cleaning-you-should-know