Hydrometer Fermentation Finish
Fermented hydrometer (with Oechslescale) degrees divided by 8 = % volume of alcohol.
Fermentation finished
Fermented hydrometer degrees on the plus scale
Fermented hydrometer degrees on the minus scale
Total fermented hydrometer degrees
59
20
79
79 divided by 8 = about 10% alcohol by volume
159
900
1 059 grammes
59 grammes over 1kg = 59 hydrometer degrees
80
900
980 grammes
20 grammes under 1 kg = minus 20 hydrometer degrees