#which I believe is called hatsuzoe
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It's a little hard to tell in this picture but fermentation is going crazy and the gas being produced is pushing all of the water in the water lock to the left chamber. Really neat to see a physical result of fermentation occurring. It has settled down a little bit but the water lock is still gurgling pretty regularly as gas passes through it.
#text#cooking with scarves#or brewing with scarves I guess#this was the first addition of the main ferment for sake#which I believe is called hatsuzoe#the main ferment is momori#and then there are several additions to it#really interesting how sake brewing works#typically the yeast involved would not be able to produce alcohol above 12-13%#but you add the rice koji and water in 3-4 batches with each one being double the previous#this essentially acclimates the yeast to higher alcohol %s each time#until you end up around 16-20% depending on a lot of different things
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