Hydrometer: Difference between revisions
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Put your liquid in the hydrometer tube, spinning the hydrometer and measuring the original gravity (OG) when it settles. Try to make sure there is as little carbonation (bubbles) as possible in this process. | Put your liquid in the hydrometer tube, spinning the hydrometer and measuring the original gravity (OG) when it settles. Try to make sure there is as little carbonation (bubbles) as possible in this process. Once you think it's done fermenting, take another measurement with the hydrometer for final gravity (FG). | ||
(OG - FG) * 105 = {% Alcohol by Weight} | (OG - FG) * 105 = {% Alcohol by Weight} | ||
{% Alcohol by Weight} * 1.25 = [% Alcohol by Volume] | {% Alcohol by Weight} * 1.25 = [% Alcohol by Volume] | ||
Revision as of 11:41, 29 December 2005
Put your liquid in the hydrometer tube, spinning the hydrometer and measuring the original gravity (OG) when it settles. Try to make sure there is as little carbonation (bubbles) as possible in this process. Once you think it's done fermenting, take another measurement with the hydrometer for final gravity (FG).
(OG - FG) * 105 = {% Alcohol by Weight}
{% Alcohol by Weight} * 1.25 = [% Alcohol by Volume]
