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SGI:11 – Fermentation Progress

THE HYDROMETER
Fermentation Progress
Basic facts:  

1 litre of water weighs 1 kg (1.000 grammes)1 litre of alcohol weighs 0,8 kg (800 grammes)1 litre dissolved sugar weighs 1,59 kg

When the must begins fermentation the sugar content is high. The hydrometer reading is then about 1080 degrees. As the sugar ferments to alcohol the reading gets lower and lower.Measure the gravity of the must at the start of fermentation.Refer to the table “When the wine has fermented out” to see what the hydrometer reading should be. Measure the wine during fermentation.

By seeing where the reading stands between the start value and final value lies you can see how far fermentation has progressed.

1080 degrees 1040 degrees 1000 degrees

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  • HYDROMETER CHOICES
  • SGI:01 - HYDROMETER
  • SGI:02 - Function
  • SGI:03 - Basics
  • SGI:04 - Calculate
  • SGI:05 - Start of Fermentation
  • SGI:06 - Fermentation Finished
  • SGI:07 - Wine Ingredients
  • SGI:08 - Overview
  • SGI:09 - Drawing Off the Wine
  • SGI:10 - Checking Wine Fermentation
  • SGI:11 - Fermentation Progress
  • SGI:12 - Timing Sugar Additions
  • SGI:13 - How to Add Sugar Properly
  • SGI:14 - Calculate Chaptalisation
  • SGI:15 - Readings for Best Flavour
  • SGI:16 - Sweetness for Diabetics
  • SGI:17 - Conclusion by Gert Strand
  • HOI:01 - Wine Ingredients
  • HOI:02 - Drawing Off the Wine
  • HOI:03 - Checking Wine Fermentation
  • HOI:04 - Fermentation Progress
  • HOI:05 - Timing Sugar Additions
  • HOI:06 - How to Add Sugar Properly
  • HOI:07 - Calculate Chaptalisation
  • HOI:08 - Fermentation Progress
  • HIO:09 - Sweetness for Diabetics
  • HOI:10 - Conclusion by Gert Strand
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