Chokeberry Syrup

7 cups juice
1/2 cup lemon juice
1 package pectin
6 cups granulated sugar

Wash fruit and cover with water; simmer 15 minutes. Strain juice. Measure juice into a 6- to 8-quart kettle. Add pectin and stir. Bring to boil, add sugar, stir, and bring to a rolling boil. Boil exactly 2 minutes. Skim and pour into jars.