March 4

How Long Do You Boil Jars for Canning? A Step-By-Step Guide


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Canning is a good method for keeping food edible over the long haul, but it’s imperative to get the technique right. Knowing how long do you boil jars for canning and what steps come after that are essential if you want your canned goods to be safe and delicious. Sterilizing jars is an integral part of the canning process, so let’s explore this topic in more detail by looking at preparing jars, boiling them, and safely removing them from boiling water.

How Long Do You Boil Jars for Canning

Preparing Jars for Canning 

The first step is cleaning. Wash each jar with hot soapy water and rinse them well. This will help remove any debris that could prevent a proper seal when processed in boiling water or a pressure canner. It would be best if you also cleaned all of your other supplies, such as lids, rings, funnel, and lifter, prior to use as well.

When you clean your jars, please take the opportunity to examine them for any cracks or chips. Dispose of imperfect ones or reuse them for non-canning purposes. If hard water leaves scales and film on your glass jar, soak it in a solution containing 1 cup of vinegar (at 5% acidity) per gallon of water for several hours to remove these blemishes.

Boiling Jars for Canning 

Once you’ve washed and rinsed your jars, it’s time to start the following process. Getting jars ready for canning is critical to making sure the food stays safe. Boiling the glass containers before filling them with food helps kill bacteria and creates a sterile environment, ensuring your canned goods last longer. 

Make sure also to clean your stewpot first. Add a cooking rack at the bottom of the pot and also fill the glass jars with water, then submerge each jar carefully and boil for 10 minutes. Keep a lid on the stewpot so that steam doesn’t escape, but don’t worry if there’s a slight bubbling or splashing from the jars.

Removing Jars From Boiling Water


Once you’ve boiled glass containers for the recommended amount of time, you’ll need to remove them one by one by emptying the water from the jars. You can use a jar lifter or tongs and place them on a clean kitchen towel or similar material. Caution as the water is hot and the jars may still be warm.

FAQs in Relation to How Long Do You Boil Jars for Canning

How long do you boil jars for canning?

It is recommended that you should boil jars for at least 10 minutes.

Do I need to boil jars before canning?

When canning food, you don’t need to sterilize your jars if they’re submerged in boiling water for more than 10 minutes or processed with a pressure canner. However, it is vital that you first sterilize containers that will only remain in the boiling bath for less than ten minutes.

Can I reuse jars after boiling them for canning?

Yes, you can reuse jars after boiling them for canning if they are not chipped or cracked. However, it’s important to note that the metal lids should not be reused as they may not seal properly.


Boiling jars for canning is an essential step in the food preservation process. It helps kill bacteria, create a sterile environment, and ensure your canned goods will last longer. Just make sure to clean your jars first, boil them for at least 10 minutes, and remove them one by one with a jar lifter or tongs. These simple steps will help ensure your canned goods are safe and delicious.

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