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Are Pomona Pectin recipes considered researched & tested #930183

Asked April 30, 2026, 3:05 PM EDT

I want to make grape jam and have read that grapes have a variety of PH levels.  There are some researched recipes calling for concord grapes but I don't have access to those.  I found that the Pomona Pectin website has a recipe for grape jam just specifying seedless grapes.  The recipe includes 1/4 cup of added bottled lemon juice.  Are Pomona Pectin recipes considered researched, tested and safe?

San Diego County California

Expert Response

Bonnie,

The assumption would be that if the Pomona company has recipes on their website, they have tested those recipes. However, the best option would be to contact the company to verify if the recipe you are interested in making has been tested. Hope this helps and thank you for using Ask Extension.

An Ask Extension Expert Replied April 30, 2026, 3:47 PM EDT

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