Hydrometer useful for Kombucha?
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kyt
Well-Known Member
It's not very useful because of the acids and other stuff made by the bacteria throw off the reading. Measuring pH is the most useful. You can do residual sugar test like for wine, but tasting it works about the same.
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kyt
Well-Known Member
Yes pH 2.5-3.5
My harvest is typically ~3.2 after 7 days with just the right amout of residual sweetness. Keep in mind, pH is not indicative of a finished fermentation. These are separate processes that occur pretty much simultaneously.
Sent from my SGH-M919 using Home Brew mobile app
My harvest is typically ~3.2 after 7 days with just the right amout of residual sweetness. Keep in mind, pH is not indicative of a finished fermentation. These are separate processes that occur pretty much simultaneously.
Sent from my SGH-M919 using Home Brew mobile app
saramc
Well-Known Member
Kombucha needs to be below pH 4.0 from a safety standpoint as an aceto-based ferment. With different tea blends you will find a different preference point. My personal preference runs from 2.8-3.2.
pH testing comes in handy when your sense of taste is off, no second guessing when to harvest, when you know your preferred pH for that blend.
pH testing comes in handy when your sense of taste is off, no second guessing when to harvest, when you know your preferred pH for that blend.
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