It's gelled methanol, IIRC, so it should be fine down to zero, but it might get a little quirky below that or above, I think 3000 feet. The time to test is now. <img src="/images/graemlins/smile.gif" alt="" />
I carry a euro-mil surplus alcohal stove that I know will work on HEET drygas, along with a small bag of charcoal and a midget stove that will run off it. I figure between the two, I've got something to cook with.
For the food items, I like things that you don't have to do much with, like granola, cheesie crackers, dried fruit and some small chocolate bars. I am looking for a really good beef jerky I can add, but so far nothing I like and can afford has the staying power I want. I also stuff in a couple packs of raman, but this year I'm also putting in some of the "just add water", premeasured packs of things like rice and mashed potatoes. The Zataran's packs are likely to freeze, but until they do (and go into my indoor supply box), those don't even need to be heated, but they are better hot.
For the water, the old metal GI canteen, if you can find it, is very good, becuase you can thaw the water in it if it freezes, but they are getting harder to find in usable condition. Look at some of the euro-mil stuff, particularly coming out of the old Warsaw Pact nations.
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-IronRaven
When a man dare not speak without malice for fear of giving insult, that is when truth starts to die. Truth is the truest freedom.