Adjusting for Elevation When Canning Food
Adjustments must be made for different altitudes when canning food. Boiling points are different at every elevation. Water begins to boil quicker and at a lower temperature as altitude increases. These lower boiling temperatures will not kill bacteria effectively. To ensure pressure reaches the required 240 degrees F, these adjustments must be made:
Pounds of Pressure at: Elevation - Dial Gauge - Weighted Gauge Sea Level - 10 - 10 1,000 ft - 10 1/2 - 15 2,000 ft - 11 - 15 3,000 ft - 11 1/2 - 15 4,000 ft - 12 - 15 5,000 ft - 12 1/2 - 15 6,000 ft - 13 - 15 7,000 ft - 13 1/2 - 15 8,000 ft - 14 - 15 9,000 ft - 14 1/2 - 15 10,000 ft - 15 - 15
Source: Homestead Harvest
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