Vegetables Loosing Liquid During Canning Process

by Jennifer Willis
(Provident Living Today)

Why do my vegetables loose liquid during the canning process?


  1. Packing food too tightly in jar

  2. Filling jars too full (will start siphoning affect)

    • Fill non-starchy food to within 1/2" of top

    • Fill starchy food to within 1" of top

    • Fill liquid for all vegetables - 1/2" of top

  3. Too high pressure

  4. Fluctuation in pressure (sudden lowering)

  5. Leakage of steam at petcock or around lid of cooker

  6. Opening petcock before gauge returns to zero

Reasons for Failure in Canning
Utah State University Cooperative Extension

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