Pressure Canning Information about where you can have your gauges tested. There is also a great link to a long list of Food Preservation Videos.
Phone numbers to call if you have Food Preservation Questions.
Counties that test
https://fcs.osu.edu/programs/healthy-people/food-preservation/pressure-c....
Make an appointment to have your canner tested
https://go.osu.edu/pressurecannertesting
OSU Extension Food Preservation Series - Recordings
https://go.osu.edu/foodpreservationrecordings