Safer for lawns and yards: won't dehydrate soil. Costs less: melt more per gallon with Entry. Better for nature: Won't cut off oxygen to fish and plants. It keeps chloride pollutants out of our soil and our ecosystem. When used as directed will melt snow and ice in less that 30 seconds and prevent refreeze to temperatures below 0°F/-19°C. Unlimited shelf life. pH reduces the risk of damage to high value flooring surfaces: hardwood, tile, granite and marble. 2.5 Gal. will provide comparable coverage to 250 lbs of other ice melts.