Why do you add lemon juice to jam?

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Tags

1. #reason
2. #added
3. #canning
4. #means
5. #reasonable
6. #bringing
7. #amount
8. #level
9. #sealed
10. #lemon
11. #water
12. #growth
13. #sometimes
14. #juice
15. #there
16. #minutes
17. #recipes
18. #another
19. #boiling
20. #regular
21. #bacteria
22. #little
23. #prevent