batches ingredients ratio:
| ml | scoby |
kombucha |
boiling water |
sugar |
tea bags |
cold water |
| 600 |
1 oz |
1/2 cup |
1/2 cup |
1/4 - 1/2 cup |
2 |
2 1/2 cups |
| 1205 |
1.5 oz |
3/4 cup |
1/2 cup |
3/8 - 3/4 cup |
3 |
4 cups |
| 1660 | 2 oz |
1 cup |
1 cup |
1/2 - 1 cup |
4 |
5 cups |
| 2500 | 3 oz |
1 1/2 cups |
1 1/2 cups |
3/4 - 1 1/2 cups |
6 |
7 1/2 cups |
| 3320 | 4 oz |
2 cups |
2 cups |
1 -2 cups |
8 |
10 cups |
1. Clean the storage bottle with vinegar. Prepare scoby and kombucha in a clean bottle and set aside.
2. Boiling water, add sugar until dissolve.
3. Remove from the stove, add tea bags at the correct temperature and brew for the best steeping time. (See the brewing tea chart)
4. Remove the tea bags. Add the cold water. Set aside until room temperature.
5. Add to the sweet tea to scoby and kombucha bottle. Cover with the bottler with breathable cloth.
6. Store it between 75-85F degree (24-29C), out of direct sunlight. Allow it to ferment for 3 to 7 days or longer. It is ready to drink, or it can add flavors from now.
7. Remove everything and clean the kombucha bottle at least once of a year.
Brewing tea chart:
Black Teas:
tea type |
Assam |
Ceylon |
Darjeeling |
Golden Monkey |
|---|---|---|---|---|
water degree |
200F | 212F | 200F | 200F |
brewing time |
4-6 mins | 3-5 mins | 3-5 mins | 2-3 mins |
tea type |
Keemun |
Yunnan |
English Breakfast / Irish breakfast |
|---|---|---|---|
water degree |
195F | 195F | 212F |
brewing time |
3 mins | 2 mins | 4-5 minutes |
Green Teas:
tea type |
Bancha |
Dragonwell |
Gunpowder |
Sencha |
|---|---|---|---|---|
water degree |
180F | 185F | 150-160F | 170F |
brewing time |
2-3 mins | 3-4 mins | 2-4 mins | 3-4 mins |
White Teas:
tea type |
Silver Needle |
White Peony |
Oolong |
Pu-erh |
|---|---|---|---|---|
water degree |
180F | 180F | 190F | 212F |
brewing time |
3-5 mins | 4-6 mins | 5-8 mins | 4-6 mins |
Teas, Tisanes, And Herbs for Blending:
tea type |
Cinnamon | Earl Grey |
Ginger / Hibiscus / Rooibos and Honeybush |
Yerba Mat |
|---|---|---|---|---|
water degree |
slow boil | 200F | 212F | 170F |
brewing time |
15-20 mins | 4-6 mins | 4-6 mins | 3-5 mins |
Ref: The Big Book of kombucha








