Simple, effective drinking water treatment. Instantly kills viruses, bacteria and most contaminants. Convenient, rapid-dissolving, drop-in tablets. Leaves no smell, taste, foam or other trace. Will not harm stainless steel, plastic or rubber tanks or hoses. Nontoxic, non caustic and completely biodegradable. Use whenever water purity is questionable Cleans fruits and vegetables, too Box of 18 tabs Each tab treats 50 gallons of water
