How do I know if the kombucha tea is safe to drink ? - Kombucha and pH readings
For kombucha tea beverage pH, you should take two readings, one as you add the starter tea to the new batch of tea. This first pH test reading should be below 4.6 pH, if it is high then keep adding starter tea from your old batch until the desired pH is reached.
This insures that the fresh tea solution is acidic enough to combat any foreign molds or yeast
The second time you'll wish to test, is at the finish of the brewing/culturing process. After your tea has set for the required amount for time, 7 to 14 days in most cases, then you'll want to test the pH until it is at, or close, to 3 pH. Range is between 3.2 and 2.8 pH. This reading tells you that the brewing cycle is complete and the tea is at the correct
pH point to drink.
Of course, this can very a bit to suit your needs and taste. If this final pH is to the alkaline side of the pH scale, then the tea will need a few more days to complete the brewing cycle
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