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Live Above 1000FT? Make These Altitude Adjustments!

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Yes Altitude is important.  Here’s what you need to know…

 If you live above 1000 feet elevation you need to figure your altitude adjustments for both water bath and pressure canning. As your altitude goes above 1000 feet above sea level the atmospheric pressure is reduced. This causes water to boil at temperatures lower than 212 degrees Fahrenheit.

For safety in water bath canning you must bring the contents of your jar to at least 212 degrees Fahrenheit. To compensate for the temperature difference you must increase processing time.

The pressure canner is also affected by atmospheric pressures. A pressure canner must reach a temperature of 240 degrees Fahrenheit in order to stop botulism. To compensate for altitude differences, you must increase the amount of pressure used. The time does not change, only the pressure used.

So…. As you go up in elevation, Waterbath, increase time.   Pressure Canner increase pressure.

Altitude Adjustment Charts

Pressure canners

Adjustment for Pressure Canner
Altitude in Feet Dial Gauge Canner Weighted Gauge Canner
0-1000 10 10
1001-2000 11 15
2001-4000 12 15
4001-6000 13 15
6001-8000 14 15
8000-10,000 15 15
Water bath canning.

Altitude Adjustments for Boiling Water Bath Canner
Altitude in Feet Increase processing time
1001-3000 5 minutes
3001-6000 10 minutes
6001-8000 15 minutes
8001-10,000 20 minutes

Source: Altitude Adjustments

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