Recommended process time for jams in a boiling water canner . (ref: Ball Blue Book)
Process Time at Altitudes of/b>
Style of Pack
Jar Size
0 - 1,000 ft
1,001 - 6,000 ft
Above 6,000 ft
Hot
Half-pints
oor Pints
oor Pints
10 min
10/td>
15
