Ice Cream Makers

Why do you need salt on ice when you use a ice cream maker to make ice cream?

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Wiki User
09/20/2008

Ice water is only 32 degrees F, and ice cream needs to be much colder to properly freeze. The salt lowers the freezing point of the water. The super cold water is what will actually freeze the ice cream. You can actually get the temp of the liquid water down to about 10 degrees F.