1, first of all, a piece of black tea bacteria and a catty of water ratio, and then use the sterilized gauze wrapped tea and sugar, a catty of water about 2, 5 grams to 5 grams of tea and 50 grams of sugar, and then put into the proportion of the adjusted water to boil.

2, after boiling, when the tea and sugar water cooled to a temperature of 40 degrees or less, and then take out the gauze wrapped tea and sugar, this time the tea and sugar water poured into the sterilized glass bottle. Note: This time not to pour the glass bottle to the full, about three-quarters full can be, leaving part of the space to retain a little air.

3, and then all the black tea bacteria strains poured into the glass bottle, with a clean and sterilized gauze to seal the bottle mouth, and then tie the bottle with a rope, placed in a good place in the light of the static, do not move.

4. The black tea bacteria will ferment according to the temperature. High temperatures require a short time, low temperatures require a long time. Generally 25 to 30 degrees need about four days, 15 to 25 degrees need 6 days, 15 degrees need 8 to 10 days.