The downsides? You need to use their disposable trays to line the bottom of the litter box., and PetSafe’s Crystal Litter. Cats don’t constantly like silica gel. And if they’re decided scratchers (you realize the sort – they head for the center with the Earth once they’re during the box), https://automatic-litter-box30740.thenerdsblog.com/42534752/a-review-of-robotic-pet-cleaning