« on: March 20, 2015, 03:11:31 AM »
What am I missing? Is the FG vs OG not an exact measurement of ABV?
Not even close. It's an accurate measurement of how much dissolved extract changed during fermentation. Anything beyond that requires making assumptions about the composition of those sugars, and how much ethanol was produced as opposed to CO2, yeast biomass, etc.
All things considered, the abv calcs are estimates. What's your experience with the etimatates vs. actual Sean?
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