I just made 38 jars of strawberry jelly and realized I did not put all the sugar in recipe. I thought I could scale back until I read the small print on Certgel.

Can I dump it all back in a pot and recook it adding the rest of the sugar, or do I have to throw it all out and restart?

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    You probably can, but I'd expect the results to be not ideal (but better than throwing it all out). Since I'm not definite about this, I'm commenting instead of answering. My strawberry picking this weekend went much, much faster than I thought, so we wound up with 24 lbs. Making a lot of freezer jam. Jun 20, 2017 at 14:57
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    Best treat it as perishable food while it is in that under-sugared state (unless you have good reason to assume otherwise) - and as perished food if it has been stored in a blatantly unsafe manner... Jun 20, 2017 at 15:05
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    It might be okay as it is. What exactly does the Certgel packaging say that makes you think its no good now? Also what kind of jelly--- canned, or freezer? And have you frozen/processed it yet?
    – senschen
    Jun 20, 2017 at 15:46
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    What is certgel when it comes to Jelly/Jam? The only certgel I know of is a hand sanitizer.
    – GdD
    Jun 20, 2017 at 16:18
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    "Certain" "gel" - sounds like a fruit pectin (Probably the most well-know US jelly/jam pectin product is called "Sure-Jell") mixture. Jun 21, 2017 at 14:17

1 Answer 1


Your packages of pectin, regardless of brand, has instructions on how to rescue failed jellies and jams. It's been satisfactory for me when I've had to rescue jars I've had fail.

  • Is not sweet enough "failed" jelly? I thought that referred to not setting thick enough.
    – Erica
    Jul 11, 2017 at 13:51
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    @Erica, the sugar-acid-pectin balance makes the gelling or "setting" happen. So not enough sugar can make a failed jelly.
    – Lorel C.
    Jul 11, 2017 at 14:44
  • This does not answer the question. It only points to instructions (which puts it in another castle), and without actually knowing that these are on the package (I doubt that, since the OP 'read the small print')
    – user34961
    Jul 12, 2017 at 15:07

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