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Ask Tess: I’m looking to take my food storage to the next level

Hi Tess,

I’m looking to take my food storage to the next level. I am looking at a six-inch hot jaw sealer for 5mm Mylar bags.

Can I over lap the sealer joints to get a seal on bigger bags or do I need to go with a sealer that seals in one step?


A Reader



Good for you for having the foresight to take things to the next level. I love the hot jaw sealer! We’ve had one for 10 years and the seals are solid. A lot of preppers have used hair straightening irons and even clothing irons to use as a sealing mechanism, but I have found the seals do not hold as well compared to using a Hot Jaw.

The reason that I prefer the Hot Jaw is that the two jaws on each side have a corrugated surface or grooves makes multiple seals. So, when you press the jaws of the sealer together, they will melt the inner layer of Mylar bag. When you use an iron or straightening iron, you will only get one solid seal and any break in the seal will expose the bag. The multiple seals of the Hot Jaw eliminate this and keep the food safe.

As for your question on overlapping the sealer joints to get a seal, yes you can. This is the sealing process we use in our home. To make an overlapping seal, simply go over the seal a second time (after the first seal has cooled).

I hope this helps!



Tess Pennington is the author of The Prepper’s Blueprint, a comprehensive guide that uses real-life scenarios to help you prepare for any disaster. Because a crisis rarely stops with a triggering event the aftermath can spiral, having the capacity to cripple our normal ways of life. The well-rounded, multi-layered approach outlined in the Blueprint helps you make sense of a wide array of preparedness concepts through easily digestible action items and supply lists.

Tess is also the author of the highly rated Prepper’s Cookbook, which helps you to create a plan for stocking, organizing and maintaining a proper emergency food supply and includes over 300 recipes for nutritious, delicious, life-saving meals. 

Visit her web site at for an extensive compilation of free information on preparedness, homesteading, and healthy living.

This information has been made available by Ready Nutrition

Originally published April 28th, 2018
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