How to Freeze Dry Dog Food

Freeze-drying, alternatively called cryodesiccation, is the process of drying out food so that you can use it at a later time. Historically used in fields of science or as a method to preserve food for soldiers while shipping to various locations, freeze-drying has become a common household method for preserving food. If you bought dog food in bulk or just want to save our pets food for a later date, you can preserve the food with a cooler and some dry ice.

Things You'll Need

  • Dog food
  • Dry ice
  • Camping cooler
  • Heavy-duty gloves
  • Heavy-duty Zip-loc bag
  • Spoon
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Instructions

    • 1

      Spoon your dog food into a heavy-duty Ziploc bag.

    • 2

      Push all excess air out of the bag and seal it shut.

    • 3

      Put on a pair of thick gloves. Fill a cooler with dry ice halfway and place the dog food on top of the ice.

    • 4

      Fill the rest of the cooler with another layer of dry ice and close the cooler. Let the dog food dry freeze for 35 to 45 minutes. Remove the dog food and place it into a kitchen freezer.