Freeze dried food backpacking

This article Please help only describes one highly specialized aspect of its associated subject. improve this article by adding more general information. The talk page may contain suggestions. (July 2013) Drying is a method of food preservation that works by removing water from the food, which inhibits the growth of bacteria and has been practiced worldwide since ancient times to preserve food.

For most disasters, we recommend a minimum of three days preparation. This should include a sufficient food supply and a minimum of one gallon of water per person per day.