Canning works differently in high mountains than beside the sea. Because water boils in lower temperature the more up you go. Because of that your foods require longer hot time in boiling water canners or you must turn stronger pressure using pressure canners, otherwise it does not stay safe.
Recipes for canning normally consider sea level, hence people in heights must add some adjustments.
Canning at High Altitude: Use More Time or More Pressure
Already at 1,000 feet the processing times and pressures from recipes no longer work without little changes. More up the values must adapt so that your canned food stays safe. How much you alter depends on your precise place and used method.
But it stays easy: simply expand the pressure or extend the time.
With pressure canners altitude only alters the pressure, while the time stays same. The more up you go, the higher pressure you require in the devcie for reach the wanted heat. Water bath canners overturn that: here the pressure stays, but the time grows.
For instance at 1,200 feet you add 5 minutes to the recipe time in boiling water bath. Extend that processing time is what destroy the dangerous germs and ensure long shelf-life of your food.
Standard times for water bath and steam canners for high-acid foods count only until 1,000 feet. Above that they necessarily extend. Pressure canners have adjustments of around 2,000 feet, according to your gear.
In approximately 5,400 feet you usually add around 10 minutes to water bath recipes and use 13 psi for pressure recipes. For canning chicken, that normally requires 11 pounds of pressure, people above 1,000 feet must count there height. In states as Wyoming heights range a lot; some areas surpass 3,000 feet, others reach almost 7,200, so adjustments are compulsory.
At around 6,000 feet everything adjusts, even simple things as cook rice. Pressure canning here feel different than at sea level and requires more attention. Normal cooking and blanching times do not depend on altitude, except for jams and jellies from fresh fruit without pectin, that is worth recalling.
To find your height suffice today search online according to your address. For instance Atlanta in Georgia recline in exactly around 1,050 feet, alreadyabove that critical 1,000-foot limit.