North American Salt 50850 Extreme 7300 Calcium Chloride Ice Melter, 50-Pound

Melts down to -25 degrees F/-32 C. Begins melting ice on contact. High purity 100 percent calcium melts ice at lower temperatures. No powdery residue.You may also like ICE MELT MAG CHL 50LB BG(Pack of 1).