How to make Kombucha at home, a stepwise guide for a beginner

Kombucha is fizzy, enjoyable and full of probiotics. It is easy to prepare at home with a few ingredients. Homebrewing Kombucha is simpler than you might have thought, whether you want to save some money, flavour test, or even regulate the levels of sugar.

This is a simple introduction for a beginner.

Ingredients: all you need

  • 1 SCOBY (Symbiotic Culture of Bacteria and Yeast)
  • 2-4 black or green tea bags (or loose leaf)
  • 100-150 grams sugar (brown or cane sugar)
  • 1-2 litres of water
  • Starter liquid (from previous kombucha batch or store-bought raw Kombucha)

Optional flavouring ingredients for secondary fermentation:

  • Fruits: Mango, berries, citrus, pineapple
  • Herbs/ spices: Mint, ginger, cinnamon
  • Flowers: Lavenders, hibiscus

Step 1: Brew sweet tea

  • Add water to boil and steep the tea for 5-10 minutes.
  • Remove tea leaves or tea bags and dissolve sugar while it’s hot.
  • Let the tea cool down to room temperature, because hot tea may destroy the SCOPY.

Step 2: Add the SCOBY

  • Transfer cooled sweet tea into a clean glass jar.
  • Add starter liquid (~ 10-15% of total volume).
  • Add the SCOBY on top.

Cover with a breathable cloth or paper towel to protect from any bugs or dust.

Step 3: Primary Fermentation

  • Allow to ferment for 7-14 days at room temperature (20-25 degrees Celsius)
  • Taste daily starting on day 7 to determine your preferred balance of tanginess and sweetness.

Step 4: Flavouring and Secondary fermentation (optional)

  • Add berries, fruits or spices to the bottle.
  • Seal and leave for 2-5 days at room temperature to naturally carbonate.
  • Tip: Use a swing-top bottle to fizz it better.

Step 5: Refrigerate & Enjoy

  • When it is carbonated to your preference, refrigerate to slow down fermentation.
  • Kombucha is ready to drink for up to 2-3 weeks.

Tips for beginners

  • Always sterilise your equipment to avoid mould.
  • Filtered water should be used to prevent the impact of chlorine on fermentation.
  • Metal containers should be avoided (except stainless steel), as they are reactive to acids.
  • Make SCOBY healthy by saving a little of the starter liquid to use the next time.
  • Enhance flavour in secondary fermentation, and have fun while preparing it.
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