Unlike traditional canning or dehydrating, freeze-drying (lyophilization) uses extreme cold and a vacuum to remove 98–99% of moisture through sublimation.
Picking a size is a balance between your food preservation goals and your physical space. Running half-loads is inefficient, so it's best to match the unit to your typical batch size. Should I Buy a Freeze Dryer? A Beginner's Guide buy freeze dryer
: Properly packaged food can last up to 25 years. Unlike traditional canning or dehydrating
: Retains about 97% of nutrients, compared to 60-80% for dehydrating or canning, which use heat that can degrade vitamins. or near-expired groceries into lightweight
: Turn leftovers, garden gluts, or near-expired groceries into lightweight, shelf-stable snacks. Choosing the Right Size