Purple Heat 90% Sodium Chloride - 10% Magnesium Chloride Melts to -20^o F / -29^o C Purple Heat is safer for concrete, melts faster than rock salt, creates instant traction and is not harmful to vegetation.  Not for concrete that is less than a year old!  Color: Purple Ice Melter 95% Sodium Chloride - 5% Magnesium Chloride Melts to -7^o F / -22^o C Ice Melter is safer for concrete, melts faster than rock salt, creates instant traction and is not harmful to vegetation.  Not for concrete that is less than a year old!  Color: Purple Calcium Chloride 100% Calcium Chloride Melts to -25^o F / -32^o C Unlike the more-common Sodium Chloride, Calcium Chloride is relatively harmless to plants and soil and is more effective at lower temperatures than Sodium Chloride.  Color: White Ice Bomb 100% Sodium Chloride Melts to 0^o F / -18^o C Ice Bomb is the tried and true parking lot and sidewalk de-icer that keeps things dry.  Sodium Chloride is still the most used de-icer of choice.  Color: Purple Magnesium Chloride 100% Magnesium Chloride Melts to -25^o F / -32^o C Magnesium Chloride is safer for concrete, melts faster than rock salt, creates instant traction and is not harmful to vegetation, even when added to other de-icers, like Sodium Chloride.  Color: White Bulk Road Salt 100% Sodium Chloride Melts to 0^o F / -18^o C Bulk Road Salt is still the most economical, widely used de-icer and can be shipped anywhere in the USA by rail.  Color: Natural Extra Coarse Salt 100% Sodium Chloride Water Softener Salt Salt Depot Extra Coarse Salt is safe and effective for all water softeners.  Our Extra Coarse Salt is 99.8% pure and is ideal for both residential and commercial applications.  Color: White 801-282-1250 801-282-1250 801-282-1250 Website updated 12-22-2010 Welcome To The Official Salt Depot Website!