New answers tagged citrus
If the tea was distilled water, a 5% solution would have been sufficient. That is, you'd need 50 grams of acid to 950 grams of water. The problem is, the impurities of the water and the tea itself buffer it somewhat, so it's impossible to predict the exact amount you need. You'll have to use a pH meter, and an accurate one, not strips, to make a pH solution ...
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