Bare Ground Premium Blend granular ice melt plus exo-thermic Calcium Chloride pellets is a special blend of rock salt coated with Bare Ground Mag Plus corrosion inhibiting liquid deicer with added Calcium Chloride pellets. This blend creates an granular ice melt that starts to work faster and is 40% less corrosive than standard rock salts. It works 60% more effectively. Bare Ground Premium Blend granular ice melt keeps working at temparatures as low as -20F. This handy 12 lb shaker jug is light weight and easy to use.