Measuring alcohol when using ginger bug

I have recently started to get my feet wet by making some ginger beers using a ginger bug to start the fermentation. I would like to know the alcohol content of my final product, but as the ginger bug has both bacteria and yeast eating the sugars I can not figure out how I would measure the final alcohol content!

3 questions:

  1. Is there a way to figure out how much sugar has been consumed by either the yeast or bacteria, so I can then just use a hydrometer as suggested most places I search?
  2. Can I measure the alcohol content by some other indicator besides sugar content?
  3. What other tools might be used besides a refractometer or a hydrometer?

Topic lactobacillus measurements ginger-beer final-gravity wild-yeast homebrew

Category Mac

1
answered at

If you have a beginning gravity and an end gravity, it's pretty easy to figure an approximate ABV for your beverage.

The only way to definitively tell how much alcohol is in a solution is to run it through a Ebulliometer, which is essentially a tiny alcohol still. Sorry, that's the only real ways to do it!

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