Don't worry about the OG reading, I stopped doing them for extract kits because when you add water to bring your batch to 5 gal. your readings for the OG are often skewed do to the recent addition of water and because perhaps the liquids are not yet combined evenly. I use the OG that the kit lists on the directions for calculating my ABV after fermentation. If you followed the directions closely your OG, and ABV should come out close to the target ranges.
The other portion of your question is confusing. Are you saying that you held out the candied sugar thinking it was the priming sugar? If this is the case perhaps your beer won't have the listed ABV that it should have based on the fact that there was less sugar in your beer for the yeast to convert to alcohol.
Also, always inventory your recipe kit as soon as it arrives to the house, as human error is often a possibility when packing a kit.
Priming sugar is used only during bottling.
" life is like a case of beer, you must enjoy it every day"
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- Zesty Pale Ale in primary #1
- Belma 60 IPA in primary #2
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- White IPA on deck
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* Member of the Maniacal Association of Shoreline Home-brewers, CT