Canning blueberry pie filling yummy!!

6 quarts blueberries
6 cups sugar
2 1/4 cups clear jel
7 cups of water
1/2 cup lemon juice
mix all together keep stirring once it starts to bubble add the lemon juice.
when it boils again add blueberries. Can in quart jars 1 1/2 inch head space
30 minutes water bath