How can I preserve my oxygen absorbers?

Tess, I have purchased my Mylar with the oxygen absorbers.  I did what you said about storing the food, but now my oxygen absorbers are spent.  I clipped the bag in between buckets to keep the air out.  Is there a secret to keeping the absorbers from turning blue or do we only get one time after opening the bag?  I hope this made sense. 

Thanks Deb


Hi Deborah,

Your question makes complete sense. I don’t know of a secret way of preserving oxygen absorbers, but there are a few tricks I have learned along the way. When I’m packing food, I pack everything at once. I have all of my lids close by for quick assembly. Right before I am about to seal the food up, I open up my sealed bag of oxygen absorbers, take out the exact number of absorbers that I need, and then immediately seal it back up with a vacuum sealer. This prolongs their shelf life.

Another method of preserving your oxygen absorbers is to place the remaining absorbers into a glass canning jar that has a metal lid with a gasket. A 1 pint jar (500 ml) will hold approximately 25 absorbers. A good rule of thumb is to limit the amount of times you open and close the container holding the absorbers. If you leave oxygen absorbers exposed to air for 15 minutes or longer, then they will more than likely lose their effectiveness and need to be discarded. Here is an article on oxygen absorbers that may be helpful in case you need more information on the subject.

Thanks so much,


The Prepper's Blueprint

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 May 15th, 2014
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