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Can glass jars be used to freeze food?

April 26, 2017food freeze glass jars Used

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Can glass jars be used to freeze food?

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Use wide-mouth dual purpose jars made for freezing and canning. The glass in these jars has been tempered to withstand the extreme temperatures. Standard canning jars can be used but be sure to leave extra headspace for expansion. The recommendation is 3/4 inch for pints and 1 1/2 inch for quarts. Jars not intended for canning or freezing should not be used because they can break easily at extreme temperatures.