Safe-T-Power, 9 LB, Ice Melt, Cuts Through Thick Ice Fast, Delivers Pure Melting Power That Helps Clear Ice & Snow In The Most Extreme Winter Conditions, Penetrates Even Thick Ice Fast To Melt When You Need It Most, 100% Calcium Chloride Formula Melts Faster & Longer In Extreme Winter Temperatures, Scientifically Proven To Melt Ice & Snow In Sub Zero Temperatures As Low As -25 Degrees Fahrenheit, Ingredients: Calcium Chloride.