Zeostone 100% Natural Zeolite Absorbent Sand - 0.5mm to 2mm Size Natural Zeolite Sand , Mined From Japan (1.1lbs / 500grams) - For Oil & Chemical Spills, Odor Removals , Sand for Aquariums. A Naturall absorbent for use with oil, petrolium and chemical spills of liquid and vapor. Use: Chemical Spills, Odor Removals , Sand for Aquariums. Also can be used for air fresh in closets, basements, vehicles, pet areas, and smoking areas. 100% Natural Stone from Japan. Odorless natural materials from earth Non-toxic, environmentally safe Material name: Zeolite ( Clinoptilolite). High purity of clinoptilolite. Cation exchange capacity (CEC) is excellent level among the world, boasting 170cmolc / kg. Natural Zeolites can be used in some areas of industry including feed additive / soil conditioner, waste water treatment media, cat litter, pool filtration media, aquacultural uses, aquarium filtration media, radioactive water treatment, fillers. Gas purification and seperation, and Lightweight Construction Materials.