... tray dry which inhibits bacterial growth. Cat litter processed with antimicrobial is beneficial to sterilization.5. Easy maintain & ... up. It is non-tracking, non-clumping, non-dust, with light weight, produces little waste, easy & safe for ... scattering or tracking out.Use1. Fill litter box with silica gel cat litter to the lever of 1.5 ... 2-7mm,2-8mm. picture A0355-Silica gel cat litter with 3% blue