Pressure Canner Testing

The Portage County Extension office offers FREE pressure canning testing for dial gauge canners. To learn more about the types of canners, click here.

Regardless of the type of canner that you use, be sure to always follow an up-to-date, research-tested recipe. Excellent sources of information are:

  • National Center for Home Food Preservation (
  • Wisconsin Safe Food Preservation series bulletins  (
  • Portage County Extension Office: Publications available upon request:
    • Harvesting Vegetables from the Home Garden (A2727)
    • Storing Vegetables at Home (A1135)
    • Canning Vegetables Safely (B1159)
    • Canning Salsa Safely (B3570)
    • Canning Meat, Wild Game, Poultry & Fish Safely (B3345)
    • Canning Fruits Safely (B0430)
    • Freezing Fruits & Vegetables (B3278)
    • Tomatoes Tart & Tasty (B2605)
    • Homemade Pickles & Relishes (B2267)
    • Making Jams, Jellies & Fruit Preserves (B2909)