Nostalgia Rock Salt 8lbs - Makes up to 8 Batches Helps in the Freezing Process To Produce Delicious Tasting Ice Cream For use with any ice cream maker that requires salt Enjoy your ice cream churned the old-fashioned way with help from 8 lb Rock Salt. Enjoy your homemade ice cream churned the old-fashioned way with help from 8lb Rock Salt. Great for use with any ice cream maker that requires salt, the rock salt teams up with ice to bring temperatures below the freezing point - essential for whipping up the creamiest batches of the quintessential summer treat. Have fun and cool off making your homemade icecream with Nostalgia Rock Salt.