Monitor Ferment from Hydrometer Readings
Details: This calculator allows you to correct for the obscuration effect of the alcohol produced during fermentation, and calculate a true sugar concentration.
This calculator uses an assumption of the efficiency of alcohol production to calculate the 'true' Brix from the fall in Brix observed with a hydrometer. The derrived formula is:
True-Brix = ( 97 * i + 1200 * h ) / 1297
Where:
i = initial Brix h = current Brix (from hydrometer)
The above formula is derrived from the more easily understood:
Hydrometer reading = ( Brix_initial - Brix_current_true ) / 1.8
VinoCalc by Jonathan Musther - jon@musther.net
