In reply to <a href="http://www.urbanfarmhub.org/2016/07/06/oregon-grape-jam/#comment-84570">Ellie Winslow</a>.
Sorry for the loooong delay in replying. I didn't see your question! The amounts are listed in the Pomona Pectin insert when you buy the product. You can reduce the sugar but the result may be a bit runny. If you reduce it by much then I'd refrigerate the jam as it might spoil.
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