How To Vacuum Seal Standard Mason Jars?
For better understanding, the entire process starting from preparing a standard mason jar for pressure-sealing to achieving the intended result has been broken down into four simple steps and explained below.
Prepare The Mason Jar: When you fill the mason jar with food, make sure that you leave at least an inch of empty space from the mouth. This is especially important when storing dry food of a powered nature as some of it can easily be sucked through the hose and end up inside the machine. Keep aside the metal ring that came with the jar and use only the flat lid to cover the mouth of the jar.