How To Seal Mylar Bags For Long Term Storage. A vacuum sealer (such as a food saver) works great for short term storage but they do loose their seal and leak over time. (in my tutorial video, i show you how to seal a mylar bag with a clothes iron.) once sealed, the oxygen absorbers will remove the oxygen in.
These are plastic bags that when heat sealed provide a barrier against moisture and oxygen. Here is one way to seal a mylar bag inside of a typical five gallon bucket for long term food storage. Mylarfoil bags, oxygen absorbers, and heat sealers.
Even the mylar bags with zip seals still need to be heat sealed (the zip is just there for convenience).
Ordinary vacuum seal bags, and/or home canning jars with the jar seal attachment and hose. If freezer storage is your end goal, vacuum sealing is your friend. You can store food in the freezer in mylar bags, too, but the shelf life will be much shorter. 4 ways to seal mylar bags.