Using the canning tongs, lift each jar, keeping it vertical, and lower it directly into the boiling water. Once all the jars are in the pot, they should be submerged by about 1” of water. ... Bring the water to a full rolling boil, and process for the amount of time recommended by your recipe.

Do jars need to be fully submerged when canning?

Once all the jars have lids and rings, lower them into your canning pot. Make sure the jars are fully submerged and are covered with about an inch of water (you need that much to ensure that they won't become exposed during boiling).

Is a water bath necessary for canning?

To minimize the risk of food spoilage, all high-acid foods should be processed in a water bath canner or pressure canner and all low-acid foods in a pressure canner. It is advisable to use a tested recipe to ensure a safe product as recipes handed down may have been altered through the years.)