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Most foods in #10 cans have a shelf life of 20+ years. One cannot get that long of a shelf life with vacuum sealing. With mylar bags and vacuumed sealed bags, they then often stored in food grade buckets.
Thanks, figured there had to be a reason someone would use the cans instead. Any idea how long the vacuum bagging lasts? I have one survival bucket that is supposed to be good for over 2 decades. It's in some kind of plastic bags. Bought it to just set aside and forget just in case. The stuff I buy in the #10 cans the idea is to rotate it out every few years. Tried a few things and found stuff I like enough to make meals out of to use up as I replace. The 25 year stuff I figure if I'm still around that far from now I will toss it. Chances are my kids will get that when they clean the place out.
What's involved in doing the #10 can thing? Until reading this I had no idea there was such a thing as doing this at home.