>>8819656I like using cardboard egg cartons. You put one tea candle with the foil removed in every segment then put it in the oven. When the wax melts drop a cotton ball in each. After it cools coat the cotton that hasn't absorbed into the wax with vasoline. They work fantastic and in any weather.
I just got my home freeze dryer and I'm starting to experiment with making my own survival food. I just wish it didn't take so long to run a full cycle in it.