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William R. Watt
 
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Default boil time related to sugar concentration?


In trying to make jelly from unusual fruit combinations for which there is
no recipe to follow, I find it sometimes take a very long time for the
boiling juice to get up to 220 deg F. I wonder if that is related to the
sugar concentration. I'm reasoning that water won't go higher than it's
boiling temp at 212 deg F. So it must be the presence of sugar which
allows the temp to go higher than the boiling point of water. So the sugar
concentration has to be sufficient for it to do that. If it's taking a
long time to get from 212 to 220 def F the solution would be to add more
sugar. Does that sound right?

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