2000lb skidded supersack of bare ground calcium chloride pellets bare ground calcium chloride pellets in our 2000 lb. Supersak. This is a powerful ice melter that generates heat as it melts tough ice and snow. It starts to work quickly and can melt ice and snow at temperatures as low as -67f. Provides a reduction in harmful runoff that can contaminate groundwater, making it safer for people, grass and plants, pets and livestock. Less harmful to concrete and steel too. Our 2000 lb. Supersak is the most economical size for professionals it can provide up to 40,000 sq. Ft. Of coverage. features: starts working more quickly safer around pets and plants less corrosive keeps melt water in a liquid state longer