The quick thaw ice melter from Advanced Technology Products is a natural blend ice melt that is enhanced with Magnesium Chloride and Beet extract for fast results. This great melt is not harmful to vegetation, and is colored for easy and controlled application. It is effective to -20 degrees. For best result, use prior to or during a snow storm. Evenly spread on the desired area. Warning: Harmful if swallowed, flush with water if you get it in your eyes. Wash hands/skin after use. Not recommended for water softener use. | Advanced Technology Products Quick Thaw Ice Melter | Size 50 lb