Are you looking for a powerful ice melt blend?  Let Road Runner work for you!  This is SWI's leading retail product.  This blend contains calcium and magnesium chloride pellets.  Recognized as one of the most effective blends on the market; begins melting immediately upon impact-generates melting heat fast; needs fewer applications than rock salt; melts effectively to -15 degrees Fahrenheit; safe on streets, driveways, sidewalks, steps and the environment when used correctly; does not track, it is odorless and colorless.