Vacuum sealed jars can be a cost-effective way to create airtight storage for various purposes. It’s a simple process that will help preserve food and extend its self-life.

How to Vacuum Seal Jars?

1. Start by cleaning your jars. Hot soapy water, then rinse thoroughly.
2. Place the items, you want to vacuum seal into the jars, leaving roughly ½ inch space enough space to allow for expansion.
3. Check jar lids for any damage. Using new lids if needed, as it needs to be secure.
4. Tightening the lid onto your jar and make sure the jar is properly sealed.
5. Place a small piece of cling film or a plastic bag over the jar, before sealing it. Trying to remove as much air as possible, and then tighten.
6. Press the centre of the lid; if it doesn't pop back, the seal is successful.
7. Place the vacuum sealed jars in a cool, dry place and away from direct sunlight.

Why Should you Vacuum Seal Jars?

Vacuum sealing jars offers several benefits, making it a popular method for preserving food and other items. Here are a few of the benefits you can gain from vacuum sealed food in jars.

1. Removes the air from the jar, reduces the oxygen content. This inhibits the growth of microorganisms.
2. By removing air and sealing the jars tightly, the freshness and flavour of the contents are better preserved.
3. Vacuum sealing is effective for freezer storage.
4. Vacuum sealed jars take up less space.
5. The airtight seal created by vacuum sealing helps protect the contents from contamination.

How to Vacuum Seal Food in Jars?

To vacuum seal food in jars is a straightforward process. Here's how you vacuum seal food in jars effectively:

1. Place your jars in a large pot filled with water. The water should be hot but not boiling to start. Keep the jars there until ready for.
2. If you plan to store items in the jars, such as dry goods or non-food items, place them inside the jars.
3. Place a small piece of plastic wrap or a plastic bag over the jar opening before sealing it with the lid.
4. Securely tighten the lid onto the jar. After vacuum sealing, check if the jars are properly sealed.

How to Vacuum Seal Empty Jars?

Vacuum sealing empty jars can be done to create airtight storage for various purposes. You would do this the same way that you would do, if you were placing food inside the jars.

1. Sterilize your jars. 
2. Place a small piece of plastic wrap or a plastic bag over the empty jar opening before sealing it with the lid.
3. After vacuum sealing, check if the jars are properly sealed. Press the centre of the lid; if it doesn't pop back, the seal is successful.

Deciding to vacuum seal food in jars is a cost-effective way to save money. Once you’ve used the jars once, you can re-use them again. The safest way to store your food long term.