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I keep my primers in those plastic (rubber seal on lid) boat storage containers. You can get around ten 1000 ct primer cases in one of those boat storage containers. Now I've wondered about long term storage myself. Reason is I put 5-6 of those alum dessicant blocks in each storage container with the primers. I keep them in a cool, dry location, never under 50 degrees, never over 65 degrees, humidity from 37% to 50%. About every 8 months, I notice the dessicant starts turning from blue to pink; I then place the alum dessicant blocks in the oven at 350 for a few hours; they bake back to blue and then I replace them back in the primer boat storage boxes. I've always thought we live in an extremely dry climate, but wonder why the dessicant blocks turn from blue to pink every 8 months? Where is the humidity coming from inside the primer storage containers? I figure those dessicant blocks must be working just the same.

I've also wondered how one would could prepare primers & powder for long term storage too, say in a location that would not be accessed regularly. You know the buggers do have laws on the books concerning hoarding of ammo supplies that they wouldn't hesitate to use if they thought they could get away with it. Crazy and sad where our Nation seems to be heading.
 

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Lone wolf, I've never noticed humidity and we have a wood stove in basement that runs 10 months/year. Here in Alaska, we have permafrost that keeps foundation between 50-60 degrees even when it's 90 degrees outside in July. Would military ammo boxes work better than plastic, or maybe a sealed plywood box? I wonder what type container would be optimum?
 

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I called a company that sells dessicant and the lady told me I could buy a 5 gal bucket of those blue to pink ones for $250, better deal than those blocks from midway or wherever. Needless to say I haven't spent the 250 yet, ha ha. The lady said told me they will take the humidity down to 20% until they turn pink and need rebaked for a few hours at 350.

I might vacumn seal some and some ammo too for storage.
 
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