Morton® Heavy Duty Ice Melt. Melts down to -25 degrees F. Safe-T-Power®: Clears ice & snow in extreme conditions. High purity calcium chloride. Net wt 9 LB (4.1 kg). Morton® Safe-T-Power® is a high purity calcium chloride that melts thick ice and snow faster and longer than plain salt in extreme winter conditions. Jug made from 25% post-consumer recycled plastic. 1-800-789-SALT (7258), www.mortonsalt.com. ©Copyright 2014. ® registered trademark of Morton Salt, Inc.