How to brew kombucha
  • 1. What is the primary culture used in kombucha brewing?
A) Yeast
B) Bacteria
C) SCOBY
D) Mold
  • 2. What is the base liquid used for kombucha?
A) Fruit Juice
B) Water
C) Sweetened Tea
D) Coffee
  • 3. What type of tea is generally recommended for kombucha?
A) Black or Green Tea
B) Fruit Tea
C) Herbal Tea
D) Rooibos Tea
  • 4. What is the purpose of the starter liquid in kombucha brewing?
A) To add carbonation
B) To add flavor
C) To speed up fermentation
D) To lower the pH and prevent mold
  • 5. What type of sugar is typically used in kombucha brewing?
A) Cane Sugar
B) Agave
C) Honey
D) Stevia
  • 6. What is the ideal temperature range for kombucha fermentation?
A) 68-78°F (20-26°C)
B) 80-90°F (27-32°C)
C) 50-60°F (10-15°C)
D) 32-40°F (0-4°C)
  • 7. How long does the first fermentation (F1) of kombucha typically take?
A) 1-3 days
B) 1-2 hours
C) 7-30 days
D) 30-60 days
  • 8. What does F1 stand for in kombucha brewing?
A) Final Fermentation
B) Flavor Fermentation
C) First Fermentation
D) Fast Fermentation
  • 9. What type of vessel is recommended for F1?
A) Plastic Bucket
B) Ceramic Pot
C) Metal Container
D) Glass Jar
  • 10. What is used to cover the kombucha during F1?
A) Aluminum Foil
B) Breathable Cloth
C) Airtight Lid
D) Plastic Wrap
  • 11. What is the purpose of the cloth cover?
A) To keep the kombucha warm
B) To block out light
C) To allow airflow and prevent fruit flies
D) To add pressure
  • 12. What is F2 in kombucha brewing?
A) Final Filtration
B) Second Fermentation
C) First Flavoring
D) Fermentation Failure
  • 13. What is typically added during F2?
A) Vinegar
B) More SCOBY
C) More Sugar
D) Fruits, Juices, or Herbs
  • 14. What type of bottles are recommended for F2?
A) Thin Glass Bottles
B) Pressure-rated bottles
C) Open Jars
D) Plastic Bottles
  • 15. What is the purpose of F2?
A) To kill bacteria
B) To increase acidity
C) To add flavor and carbonation
D) To remove sediment
  • 16. How long does F2 typically take?
A) 1-2 hours
B) 30-60 days
C) 1-3 days
D) 7-14 days
  • 17. What does the SCOBY do during fermentation?
A) Acts as a preservative
B) Adds flavor to the kombucha
C) Removes caffeine from the tea
D) Converts sugar and tea into acids and gases
  • 18. What is a common byproduct of kombucha fermentation?
A) Oil
B) Salt
C) Alcohol
D) Vinegar
  • 19. What is the proper way to store a SCOBY between batches?
A) In the freezer
B) In starter liquid in the refrigerator
C) In a dry container
D) On the countertop
  • 20. What does the pH of finished kombucha usually fall within?
A) 7.5-8.5
B) 4.0-5.0
C) 6.0-7.0
D) 2.5-3.5
  • 21. Why is it important to burp bottles during F2?
A) To add oxygen
B) To check for flavor
C) To speed up carbonation
D) To release excess pressure
  • 22. What could mold growth indicate in kombucha?
A) Normal fermentation
B) Too much tea
C) Improper sanitization or low acidity
D) Too much sugar
  • 23. What is the most important aspect of kombucha brewing for safety?
A) Sugar content
B) Temperature
C) Sanitation
D) Tea type
  • 24. What is the function of the acetic acid bacteria in kombucha?
A) Consume acetic acid
B) Produce acetic acid (vinegar)
C) Produce carbon dioxide
D) Produce alcohol
  • 25. Why should you avoid using metal utensils or containers when brewing kombucha?
A) Metal is too difficult to clean
B) Metal can react with the acids in kombucha
C) Metal kills the SCOBY
D) Metal adds an undesirable flavor
  • 26. What is the 'booch' slang referring to?
A) Fermentation Process
B) Starter Liquid
C) SCOBY
D) Kombucha
  • 27. What gives Kombucha its characteristic tanginess?
A) Citric acid
B) Lactic acid
C) Malic acid
D) Acetic acid
  • 28. What is Jun Kombucha?
A) Kombucha made with black tea and sugar
B) Kombucha made with herbal tea
C) Kombucha made with green tea and honey
D) Kombucha made with fruit juice
  • 29. What is the ideal ratio of sugar to tea for brewing kombucha?
A) 2 cups sugar to 1 gallon of tea
B) 1 cup sugar to 1 gallon of tea
C) 1/4 cup sugar to 1 gallon of tea
D) 1/2 cup sugar to 1 gallon of tea
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