The downside of crystal cat litter is that urine odor gets to be much more noticeable with time as the crystals turn out to be saturated. Even though PetSafe claims just one tray will past one cat around per month, we’ve found they should be replaced about twice as often. https://lastnews68887.pages10.com/cat-litter-smell-control-can-be-fun-for-anyone-68646405