The downside of crystal cat litter is that urine odor gets far more visible eventually because the crystals develop into saturated. While PetSafe claims an individual tray will past a person cat as many as a month, we’ve found they need to be replaced about 2 times as often. Proportions: https://diseoweblarioja09974.blogdal.com/33708092/an-unbiased-view-of-cat-litter-at-aldi