THE HYDROMETER Start of Fermentation
Basic facts:
Volume of 1 kg dissolved sugar is 0.63 litres
Weight of 1 litre of dissolved sugar is 1.59 kg
Weight of 1 litre of water is 1 kg (1 000 grammes)
Weight of 1 litre alcohol is 0.8 kg (800 grammes)
Fermentation starts |
100 ml of dissolved sugar = 159 grammes (100:0.63)
900 ml water = 900 grammes
159
900
1059 grammes
This is 1059 grammes = 1059 degrees on the hydrometer
When the sugar has fermented to alcohol it looks like this:
100 ml alcohol x 0.8 = 80 grammes
900 ml water = 900 grammes
|
| 80
900
980 grammes. |
This is 980 hydrometer degrees |
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