How to Seal Food in Mylar Bags

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One of the very first things I learned to do when I started to prep was seal food in Mylar bags.  As simple as this sounds, you would not believe the gyrations I went through to make this happen.  Holy moly, I used plastic tubing, a FoodSaver vacuum sealer, a yardstick, a straw, and iron and ironing board.

Yes, it all worked but it was a bit tedious in that four hands were required to get the job done.  I also have to tell you that there were a lot of laughs during the process as the pinto beans went flying everywhere!

How to Seal Bulk Foods in Mylar Bags BDS

Years later, my method is so much simpler that I tend to forget about my initial struggles.  With that it mind, today I am sharing a step by step show and tell, describing how you can easily move your beans, oatmeal and rice from their store packaging to Mylar (or metalized) bags.

How to Seal Food in Mylar Bags

Why Mylar?

Mylar is a lot tougher than a lot of food packaging. This makes it more suitable for long term storage, especially if conditions are less than ideal. Vacuum bags are handy but they are also clear which means to get good protection from light, you have to store foods in a opaque tote or similar to protect them from sunlight.

Mylar also protects odors from being detectable. So if you like minced garlic and you store it in a sealed mylar bag, you are not going to be able to smell it.

Mylar Bag Thickness

When you purchase your bags you should check and see what thickness you are getting for your money. Some are thin metal polyester film that you can see through. While this may be fine for some purposes or shorter term storage, purchasing the thicker bags that are in the 5.4 mm thickness range may be a good idea for your heavy food storage items and those you want to store for long term.

Grains for example can keep up to 25 years if properly sealed and stored and they weigh a lot for the volume they take up in a bag.

While a lot of the mylar bags you see are gallon-sized, you can get smaller bags if desired.

Step by Step – Storing Bulk Foods in Mylar Bags with Oxygen Absorbers

The first step is to get your supplies in order.  You will need Mylar bags, oxygen absorbers, a cheap hair straightening iron (not pictured), and a jar that will hold the oxygen absorbers until they are needed.

Mylar bags and Oxygen absorbers

Have all of your bulk foods ready to go before you open up the package of oxygen absorbers.  Here is a 25 pound bag of wheat.  I will also be packaging some oatmeal.

2FoodStorage Bag of Wheat

I find it easiest to pour bulk items into a Pyrex measure before adding it to the Mylar bag.  Note that I have set the opened Mylar bag in a container so that it stays upright during the filling process.

3FoodStorage Adding Wheat to Mylar Bag

You can also scoop your food into the bag using a measuring cup.  If you are brave (I am not) you can pour your bulk food directly from its original package into the bag.  This is the oatmeal and as you can see, the oxygen absorbers are still tucked away in their jar, limiting their exposure to open air until the very last minute.

3FoodStorage Add Oatmeal to Mylar Bag

When you fill the bag, you are going to want to leave a few inches of head space.  This will allow you to create a big fat seal across the top. But before starting the sealing process, you are going to want to create an assembly line of filled bags so that when you are ready, you can seal them all at once.

Once your bags are filled, pop an oxygen absorber inside.  For a 1 gallon bag, the rule of thumb is to use a 300 cc oxygen absorber.  For a larger, 5 or 6 gallon bucket-sized bag, 2,000 ccs.  I take the oxygen absorber and stuff it down into the middle of the food.  I did not get a picture of stuffing an oxygen absorber into the bag, but here is a photo stuffing one into a mason jar that will be sealed using my FoodSaver. (This was covered in the article How to Use a FoodSaver for Vacuum Canning.)

4FoodStorage Adding an Oxygen Absorber to the jar of food

Before moving on to the next step, you are going to want to put the lid back on your jar of unused oxygen absorbers or seal them back up in a bag using a FoodSaver or clamp of some sort.  Personally, for me it is a lot simpler to put them in a jar.  Simple is good.

How To Seal Mylar Bags

Remember that cheapie hair straightening iron I mentioned?  You are now going to run the iron across the top of your bag (or bags if you took my advice and created an assembly line).  Do not worry if there appears to be air stuck in the already-sealed bag.  As the oxygen absorber does its job, the bag full of food will compress and become brick-like.  Trust me on this.

Alternatively, if you have a regular iron for clothing you can carefully use that too if you have a heatproof surface to iron your bag. A hair straightening iron is much more convienent for most people.

5FoodStorage Sealing Mylar with Hair Iron

When done, get out your sharpie pen and label the outside of the package with both the contents and the date.

Add a label

Three hours later, two of the filled bags I filled are like bricks.  It appears that the top bag of oatmeal will take a bit longer for the oxygen absorbers to do their job.  This is normal – some foods will take longer to compress than others.

7Food Storage Bags are Bricks

The Next Step

Once you are satisfied that the bags are sealed properly, you can move them to your food storage pantry.  This can be a closet or basement or even under the bed. You do want to be mindful of the six enemies of food storage and keep your food as cool and dry as possible.  For extra protection, especially from critters, pop your brick-like foods packages into a tightly lidded bucket and you will be golden.

For More Information

There are many articles on Backdoor Survival that can help you manage your food storage.  Here are a few to get you started:

Survival Basics: What the Heck are Oxygen Absorbers?
16 Food Storage Tips for the Space Challenged Prepper
14 Common Food Storage Mistakes and Goofs

For a more detailed and comprehensive handbook on food storage, be sure to check out my eBook, The Prepper’s Guide to Food Storage, that can be purchased on Amazon.

The Final Word

Packaging your own bulk foods for emergency use is a great way to save money.  Walmart, Costco, and LDS Canneries sell bulk foods at reasonable prices and with a little bit of work on your part, can provide you and your family plenty to eat when the grocery store shelves are bare.

Not only that, the money you save will go a long way towards helping you fund the extra flashlights, water filters, and other items you need to keep you secure and safe when the stuff hits the fan.

Until next time, keep on prepping!

Enjoy your next adventure through common sense and thoughtful preparation!
Gaye

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Bargain Bin: Here are some of my favorite food storage items. Whether you are just getting started or a seasoned pro, here are the items you will need when purchasing food in bulk for long term, SHTF needs. And for help with your food storage questions, get my eBook: The Preppers Guide to Food Storage.

Mylar bags & Oxygen Absorbers: What I love about Mylar bags and oxygen absorbers is they protect against every single one of the food storage enemies. Prices do vary but for the most part, they are inexpensive and easy to keep on hand. And while you can seal them up with a FoodSaver, some tubing and a common clothes iron, I find it infinitely easier with a cheap hair straightening iron that you can pick up for very cheap.

60 – 300cc Oxygen Absorbers: This is one area where you want to make sure you are getting a quality product.

Conair Ceramic Instant Heat 2″ Straightener: An inexpensive hair iron such as this one is perfect for sealing Mylar bags.  It can also be used on your hair so it can serve a dual purpose.  For an even cheaper alternative, consider this one that works equally well but has smaller blades.

Sharpie Permanent Markers: Sharpies were invented for preppers! And without question, Amazon is the cheapest place to buy them.

Mylar Zip Seal Food Storage Bags: These are the zip seal bags that I used to package up my spices, herbs and butter powder. These are extra heavy, 5 mil bags. I found that the zip feature made packaging extra easy although I still seal the bags with my hair iron.

FoodSaver Vacuum Sealer: As long as the unit has an accessory port (and this one does), an in expensive FoodSaver will work just as well as the fancier models. That is my two cents, at least.

FoodSaver Wide Mouth Jar Sealer: Already have a FoodSaver? If so, check out this jar sealer which can be used to vacuum seal your Mason jars. This is a great option for short to mid term storage of items such as beans, rice, sugar and salt. Store your jars in a cool, dark place and you are set with the added advantage of removing a small amount for current use without having to disrupt your large Mylar bag or bucket of food.  There is also a version for regular sized jars.  See Fast Track Tip #4: How to Use a FoodSaver for Vacuum Canning.

FoodSaver Accessory Hose:  Most FoodSavers come packaged with an accessory hose.  If yours is lost or damaged, be sure to purchase a host to use with your Jar Sealer.

Shop the Emergency Essentials Monthly Specials: The monthly specials at Emergency Essentials feature discounts of up to 35% off sometimes a bit more.

A good value is the  Do It Yourself SuperPail Combo which includes 8 x 6-Gallon Buckets with Lids, 8 x Metallized Storage Bags and a 10-Pack of Large Oxygen Absorbers.

Don’t forget that you do not need fancy equipment to seal the metalized bag. A cheap hair iron will do the job.  Forget about a hose and a vacuum sealer. A cheap hair iron works great.

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