Original gravity
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Revision as of 05:01, 14 June 2008 by Rport (Talk | contribs) (New page: Original gravity (OG) refers to the [http://en.wikipedia.org/wiki/elative_density relative density] of wort, (unfermented beer) usually expressed as a ratio to the density of water. Th...)
Original gravity (OG) refers to the relative density of wort, (unfermented beer) usually expressed as a ratio to the density of water. The relative density is closely related to the amount of fermentable sugar dissolved in the wort, and helps predict the alcohol content of the finished beer.
