Safe Step 3300 Rock Salt/Halite Ice Melt Rock Salt 50 lbs. Bag is the most economical ice melter. Effective down to +5 degrees Fahrenheit/-15 degrees Celsius. Made up of 100% rock salt/sodium chloride. Use 1 cup (10 ounces) of ice melt per square yard and spread evenly, avoiding piling or overspreading.
- Simple and proven effective
- Unique screening process for optimum-sized crystals
- Safe when used as directed on air-entrained cold weather concrete that is at least one year old
- Safer on air-entrained, cold weather concrete that is at least one year old when used as directed