Monday, May 8, 2023

how long to boil jars for canning

The length of time you should boil jars for canning depends on what you're canning and the altitude at which you live. As a general rule, it's recommended to boil jars for at least 10 minutes, but some foods may require longer processing times.

Here are some general guidelines for boiling jars for canning:

  • For high-acid foods such as fruits, pickles, and tomatoes, boil the jars for 10 minutes at sea level (up to 1,000 feet), and add an additional minute of boiling time for every 1,000 feet of elevation.

  • For low-acid foods such as vegetables, meat, and poultry, it's recommended to use a pressure canner instead of a boiling water bath canner. The exact processing time will depend on the type of food and your altitude, so be sure to follow a tested recipe or a trusted canning guide.

  • Always adjust your processing time according to your altitude. At higher altitudes, water boils at a lower temperature, so you need to process your jars for a longer time to ensure that they're properly sterilized.

It's important to note that these are general guidelines, and you should always refer to a trusted canning guide or recipe for specific instructions on boiling jars for canning.



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