Professional strength Melt is a unique formulation of calcium chloride pellets that accelerates the melting process by generating a large amount of heat on contact with snow and ice. Melt is designed to quickly, safely and effectively tackle frozen snow, sleet and ice on most driveways, steps, sidewalks, and entryways. Melt pellets attract moisture from its surroundings, speeding up the creation of brine to quickly lower the freezing point of water, generate heat, and melt snow on contact.