Bulk discount for full pallet orders. 50 Lbs Bags. EcoGuard is a step up from regular rock salt. EcoGuard is treated with a liquid ice melt to help lower the effective melting temperature, this premium product will help reduce snow and ice accumulation. Screened to size. Dyed bright violet color for optimum spreadability. Treated with liquid ice melter. Effective to minus 20°(F).