Look for "safe when used as directed." Calcium chloride generates heat (exothermic reaction) which melts ice faster than rock salt but can be harsh on new concrete (less than one year old).
You can buy calcium chloride ice melt at major home improvement retailers, hardware stores, and online marketplaces. Prices for standard 40–50 lb bags typically range from . Where to Buy where to buy calcium chloride ice melt
Used primarily for pre-treating surfaces before a storm to prevent ice from bonding to the pavement. Look for "safe when used as directed
Many premium brands like Excel are marketed to leave no powdery white residue, making them ideal for high-traffic entryways. Calcium Chloride - Ice Melt - The Home Depot where to buy calcium chloride ice melt