Clumping litter is often fabricated from bentonite clay. Silica gel, frequently called litter crystals, is absorbent and can offer odor control.like eleven usd for 1box/2bags. also, i counsel combine it with dr elsey treasured cat ultra unscented clay litter… could be 50/50. first thing is 1bag catit just isn't enough for 1month. (specially when