Safe Step Pro Series 550 Select Blend Ice Melter, 50 lb Bag, White, Crystal Pellets, Scent: Unscented (1 Bag/Each) Melts ice to 0°F/-18°C. A powerful potassium chloride/sodium chloride mix, make the Pro Series 550 Select Blend Ice Melter scientifically formulated for maximum melting power. Non-hygroscopic; doesn't absorb moisture. Won't harden or clump in the bag. Provides extended shelf life. Safe on air-entrained, cured concrete when used as directed. Safe for pets when used as directed. No gloves or goggles needed, safe to handle, won't harm skin.