How do Vacuum Sealers Work?
The technology behind vacuum sealing is really pretty basic. First step, vacuum. Second step, seal. Pretty much all of the consumer vacuum sealers you will find out there either store your sealed foods in bags or special containers. The vacuum unit itself usually looks like a little inkjet printer, or large 3-hole punch kind of device. You put the food you want to save into a special plastic bag, place the open end into the slot of the vacuum machine, and press a button or hold it down and it quickly vacuums out all the air from the bag and then heat seals it. The vacuum seal bags usually come in a roll and the machine seals and cuts the end of each one as you use them. Once sealed, you can safely store the food in the refrigerator or freezer for entended periods of time. The bags can be used in the microwave or boiled, so it is easy to later heat your food up and eat it. Most vacuum sealers also work on vacuum canisters, which look like plaster jars with special lids. By connecting a