Unlike most ice cream salts, our bulk rock salt for ice cream makers is an extra coarse, pure, food-grade salt naturally produced using traditional methods. It's free of anti-caking agents and additives - it's safe to eat (and delicious)! Know exactly what you're eating when you make your own ice cream. Create your own flavors with your own ingredients in a traditional, hand-crank ice cream maker using this coarse salt. Ice Cream maker rock salt activates the ice to bring its temperature below freezing - essential for creating the creamiest batches of this essential summer treat. Use this ice cream rock salt with most ice cream makers and models that use rock salts and ice to freeze - check your user manual for details. Sea Salt Superstore is confident you will be delighted with our products and we stand behind them. If you are not satisfied, contact us so we can make it right.