Gross! Also… a considerable percentage of the granules get flushed down the bathroom. I haven’t investigated those precisely… but I can’t imagine that it is fantastic on your plumbing. The granules appear to be plastic. Possibly they biodegrade? Idk.. not my fav. We are seeking in to other programs. Hello https://thesocialcircles.com/story5912327/the-2-minute-rule-for-robotic-pet-cleaning