Second Fermentation: Master Guide to Flavoring Kombucha

Transform your kombucha into a delicious, fizzy probiotic drink with our comprehensive guide to second fermentation. Learn the art of flavoring and achieving perfect carbonation safely.

Required Equipment

Bottles

  • Flip-top fermentation bottles (recommended)
  • 16 oz size is ideal for personal consumption
  • Must be able to withstand pressure
  • Clean and sanitized before use

Flavoring Ingredients

Popular flavoring options:

  • Fresh or frozen fruits
  • Fresh herbs and spices
  • 100% fruit juices
  • Dried fruits (unsulfured)

Second Fermentation Process

  1. Prepare Your Bottles

    Clean and sanitize your fermentation bottles thoroughly. Ensure they are completely dry.

  2. Add Flavoring

    Add your chosen flavoring ingredients to each bottle. Start with:

    • Fresh fruit: 2-3 tablespoons per 16 oz
    • Fruit juice: 2 tablespoons per 16 oz
    • Herbs/spices: 1-2 teaspoons per 16 oz
  3. Fill Bottles

    Pour kombucha from first fermentation into bottles, leaving 1-2 inches of headspace.

  4. Seal and Store

    Seal bottles tightly and store at room temperature out of direct sunlight.

  5. Monitor and Burp

    Release pressure daily by briefly opening and reclosing bottles ("burping").

Popular Flavor Combinations

Fruit Blends

  • Strawberry + Mint
  • Mango + Ginger
  • Blueberry + Lavender
  • Raspberry + Lemon

Spice Infusions

  • Ginger + Turmeric
  • Cinnamon + Apple
  • Cardamom + Pear
  • Rosemary + Lemon

Tropical Flavors

  • Pineapple + Coconut
  • Passion Fruit
  • Lychee + Lime
  • Dragon Fruit + Mint

Safety Guidelines

Temperature Control

  • Keep at room temperature (68-75°F/20-24°C)
  • Avoid direct sunlight
  • Warmer temperatures speed up carbonation

Pressure Management

  • Burp bottles daily
  • Watch for excessive pressure
  • Refrigerate when desired carbonation is reached