We use the Clevercat too, not because of smell or whatever but because our cat is such a vigorous digger that with any open litter box he sends litter all acros

We use the Clevercat too, not because of smell or whatever but because our cat is such a vigorous digger that with any open litter box he sends litter all across the room. But otherwise he mostly uses the big litterbox called Nature, never needs cleaning and doesn't smell!