USC S-7125S - ICE MELT - SKID LOT, 50 LB. BAG - WON'T HARM GRASS, PLANTS OR CARPETS. MELTS ICE UP TO -16°F. USE WITH 'S H-2813 SPREADER. SHELF LIFE: UNOPENED BAG: APPROXIMATELY 2 YEARSUSAGE: WILL NOT HARM ASPHALT/BLACK TOP. NOT RECOMMENDED FOR CONCRETE...