The home freeze-drying field guide

A better handle
on every batch.

Practical answers for the work between loading the trays and sealing the bag. Sources you can follow. Limits made clear.

How we publish
    1. 01

      Choose the machine

      Capacity, circuits, operating conditions and running costs, with published limits kept visible.

    2. 02

      Run and troubleshoot batches

      Preparation, dryness checks, vacuum faults and the notes worth keeping between runs.

    3. 03

      Package and store the result

      Choose a container, size the absorber and verify the seal after the food is fully dry.

    The workbench

    Put numbers
    to the next step.

    Use your own batch details. Keep the assumptions beside the answer.

    All free tools →
    From our own stock

    Ready for packaging.

    Visit the small shop →

    Choose packaging after checking the food. A bag and an absorber do not finish an under-dried batch.

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    A note on the evidence

    Read the sources.
    Know the limits.

    Written and edited by Jack Ferrence. Our machine comparisons assess published specifications and documentation. We have not bench-tested freeze dryers.

    Review methodology · Public corrections