Kombucha

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