Hello! As a food preservation expert, I'm often asked about the proper boiling times for canning jars. The boiling time for jars can vary depending on the type of food being canned and the altitude at which you're canning. Here's a general guideline:

1. For high-acid foods like fruits, tomatoes, and pickles, you typically boil jars for 10 minutes.
2. For low-acid foods like vegetables, meats, poultry, and seafood, the boiling time can range from 20 minutes to over an hour, depending on the specific recipe and your altitude.

Remember, it's crucial to follow the recommended processing times in a tested canning recipe to ensure the food is safe to eat.

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Wash and boil. Wash jars by hand in hot, sudsy water, and then boil for 10 minutes using the canner and jar rack. Keep jars hot until you need them by allowing them to sit in the hot water in the canner, or by setting them on a thick towel and filling each with boiling water.read more >>