This article should have warned that the cider MUST NOT contain any preservatives. If it does, the preservatives will increase in strength as the cider reduces to about 2 cups since the water in the cider evaporates but the preservatives do not. This could cause serious health issues for whoever consumes the reduced cider. For years now, I have been using a digital candy thermometer to make my boiled apple cider and apple molasses and the temperature has risen to 232 degrees Fahrenheit which produces a wonderful molasses-like product that is sweet and has a very strong apple flavor. The resulting product is not bitter and does not have any 'off' taste whatsoever.

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