The safest, most powerful de-icer. Designed for those with a focus on performance as well as protection. A must for anyone concerned with safeguarding concrete, metal or vegetation. Effective to -20° F (-28°C). Patented synergistic formula with Meltium[R] and CMA[R]. Non-corrosive to metal and concrete. Contains vegetation enhancers and protectors. Safe for people, animals and vegetation (when used as directed). Long lasting to prevent freeze-thaw-refreeze cycles. Unlimited shelf life (never cakes or clumps). Does not damage leather or carpets. NSF approved, non-toxic.