Quote:
Originally Posted by Durgan
A pressure canner must reach a temperature of 250 degrees Fahrenheit in order to stop botulism. This is an axiom.
Fifteen (15) PSI reaches 250FTen (10) PSI only reaches a temperature of 240F.Five (5) PSI only reaches 228F
Do I miss somethng?
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240F is sufficient for destroying botulism. 10 psi is sufficient. Add 1 additional minute for each 1000' of altitude.
Of course 11 psi is better (thinking about Spinal Tap)
