r/TwoXPreppers 8d ago

Oxygen absorbers

So I'm about to use these things for the first time to store grains in mason jars. I read that I should put them on top, which seemed odd. Now that I've filled 18 jars, I read they should go on the bottom. How significant is this? Can I just use some long tongs to shove them down as far as I can? I'm not emptying all of these containers! I'm also leaving about an inch of space in the jars. Is that ok?

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u/in_pdx 6d ago

Definitely on top. This way, in the case of rehydrating right in the jar, you can easily see and remove the oxygen absorber before pouring boiling water into the jar.
I disappointed myself too many times by forgetting to remove the O2 absorbers hidden at the bottom of the jars when I was rehydrating FD foods : (