Clear snowy and icy surfaces with ease and make them safe for others with Road Runner Ice Melt Blend. It s made with a combination of magnesium chloride and calcium chloride that begins melting ice down rapidly turning it into slush that can easily be shoveled away. The formula is effective in temperatures as cold as minus 15?F allowing for application even on especially wintry days. It s also safe to use around flowers and other vegetation when used as directed. The jug is resealable for storage and contains 12 lbs. of fast acting ice melt. Item #12J-RR.