Neutralize and help reduce over 250 contaminants in water, keep your plants more healthy, and make your water taste better. Reduce lead, chlorine, and fluoride to non-detectable levels as well as up to 99.9% of agricultural and industrial chemicals, 99.5% of pharmaceuticals. For drinking water, use 5 ml/ gallon of tap or well water. 5+ year shelf life – great for water storage.