
Kombucha is a fermented drink that has gained popularity for its health benefits, including its potential to strengthen the immune system and soothe the digestive system. The kombucha mushroom, also known as the SCOBY (Symbiotic Colony of Bacteria and Yeast), is a key element in the fermentation process. Feeding and caring for your SCOBY is essential to maintaining its health and ensuring successful kombucha fermentation. While the SCOBY may look strange, slimy, and alien-like, it is edible and provides various health benefits. This article will provide a comprehensive guide on how to feed and care for your kombucha mushroom to ensure a thriving and healthy fermentation process.
| Characteristics | Values |
|---|---|
| What is a kombucha mushroom | A kombucha mushroom, also known as a SCOBY, is a "Symbiotic Colony of Bacteria and Yeast." |
| What does it feed on | Plain "real" tea (not herbal teas or infusions), cane sugar, and water. |
| How often to feed | Every 3-4 weeks. |
| How to store | Store at room temperature, out of direct sunlight, and in an undisturbed place. Cover the mouth of the jar with a few layers of tightly-woven cloth, coffee filters, or paper towels secured with a rubber band. |
| How to identify mold | Mold will grow on top or the sides of the kombucha, it will look fuzzy or dry and dusty. |
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What You'll Learn

Use tea, sugar and pre-made kombucha to grow a SCOBY from scratch
Kombucha is a fermented, fizzy, tea-based drink made using a combination of bacteria and yeast. The kombucha mother, also known as the SCOBY, is a symbiotic culture of bacteria and yeast that work together to ferment sweetened tea and produce kombucha.
To grow a SCOBY from scratch, you will need tea, sugar, and pre-made kombucha. Here is a simple step-by-step guide:
Ingredients
- Tea: Use plain black tea, as it is the best and most nutritious tea for SCOBY growth. Avoid flavoured or herbal teas, as they can degrade and weaken your SCOBY over time.
- Sugar: Use plain, granulated table sugar. Organic sugar is fine, but avoid alternative sugars or honey. The sugar serves as an energy source for the bacteria and yeast in the SCOBY and is essential for fermentation.
- Kombucha: Use homemade kombucha from a friend or store-bought, but make sure it is raw, unpasteurized, and unflavoured. Look for a blobby" SCOBY forming in the kombucha, as this indicates a healthy culture.
Directions
- Bring water to a boil and stir in the granulated sugar until completely dissolved.
- Add the tea and allow it to steep until the tea cools to room temperature. Remove and discard the tea bags.
- Pour the sweetened tea into a large jar.
- Pour the unflavoured, unpasteurized store-bought kombucha on top. Make sure any blobby" SCOBYs from the kombucha are transferred to the jar.
- Cover the mouth of the jar with a few layers of tightly woven cloth, coffee filters, or paper towels secured with a rubber band.
- Store the jar at room temperature (70°F), out of direct sunlight, and in a stable location.
- Let the mixture sit for 1 to 4 weeks. The SCOBY will form during this time, and you will see bubbles, jelly-like masses, and gritty brown-coloured residue, which are good indicators of growth.
Once your SCOBY is ready, you can use it to make your first batch of kombucha! Remember to feed your SCOBY regularly with sweetened tea or tea and sugar to maintain its health and ensure successful fermentation.
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Feed your SCOBY hotel with tea from finished kombucha batches
Kombucha is a fermented drink made from sweetened tea and a SCOBY, which stands for Symbiotic Colony of Bacteria and Yeast. The SCOBY is also known as the kombucha \"mother\" or \"mushroom". It is a living culture that ferments the sweetened tea to produce kombucha.
A SCOBY hotel is a place to store extra SCOBYs. It is a good idea to keep a SCOBY hotel so that you always have backups in case your original SCOBY dies. SCOBY hotels can be left untouched at room temperature for months on end. However, if the liquid in the hotel dries up, you will need to feed your SCOBY.
You can feed your SCOBY hotel with tea from finished kombucha batches. This will keep the SCOBYs moist and provide a ready-made starter tea for future batches of kombucha. To make a small batch of sweet tea to feed your SCOBY hotel, steep one teaspoon of black tea in two cups of water and add two tablespoons of cane sugar. Let the tea cool to room temperature and strain it before adding it to the SCOBY hotel.
It is important to only feed your SCOBY plain "real" tea, as herbal teas and infusions may contain flavourings that the SCOBY cannot digest. This can throw off the symbiosis of the bacteria and yeast and make it harder for the tea to become kombucha.
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Avoid feeding your SCOBY herbal teas, infusions, flavourings and oils
A kombucha mother, or SCOBY, is a symbiotic culture of bacteria and yeast that work together to ferment sweetened tea and produce kombucha. To feed a SCOBY, you need to add sweetened tea or tea and sugar. The SCOBY uses sugar as an energy source for fermentation.
However, it is important to avoid feeding your SCOBY herbal teas, infusions, flavourings, and oils. Here's why:
- Degradation and Weakening of the SCOBY: "Natural" flavourings, such as herbal teas, infusions, and oils, can degrade and weaken your SCOBY over time. This may not be apparent in the first few batches, but problems may arise after several SCOBY "generations".
- Digestibility and Symbiosis: By adding ingredients other than plain "real" tea, cane sugar, and water, you are feeding your SCOBY things it may not be able to digest. This can disrupt the balance of the bacteria and yeast, making it more difficult for the sweet tea to acidify and turn into kombucha.
- Anti-bacterial Effects: Essential oils, commonly found in flavourings, have anti-bacterial properties that can kill the beneficial kombucha bacteria.
- Artificial Aroma and Contamination: Artificial aromas and flavours found in some herbal teas can negatively affect the microorganisms in the kombucha SCOBY. Additionally, fresh herbs are loaded with microspores, living yeasts, and bacteria, which can contaminate the SCOBY if not properly boiled before use.
Therefore, it is recommended to use plain "real" tea, such as black tea or green tea, for the initial fermentation and to explore flavouring options during the second fermentation.
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Use plain black tea for SCOBY growth
Kombucha is a popular beverage with numerous health benefits, such as strengthening the immune system and soothing the digestive system. It is made through the fermentation of sweetened tea with the help of a SCOBY (symbiotic culture of bacteria and yeast). This culture is often referred to as a "kombucha mushroom" or "mother". To ensure the health and vitality of the SCOBY, it is important to feed it properly.
When it comes to SCOBY growth, plain black tea is the best option. It is the most nutritious type of tea for the SCOBY and provides it with the necessary nutrients for optimal growth. To prepare the tea for SCOBY growth, follow these steps:
- Bring water to a boil.
- Remove the pan from the heat and stir in granulated sugar until it is completely dissolved.
- Add the black tea bags and allow the mixture to steep until the tea cools to room temperature.
- Remove and discard the tea bags.
- Pour the cooled sweet tea into a large jar.
It is important to use plain black tea for SCOBY growth as flavoured teas can weaken the SCOBY over time. Herbal teas, infusions, and teas with added oils should be avoided. These additional ingredients may disrupt the symbiosis of the bacteria and yeast in the SCOBY, making it more difficult for the tea to ferment and turn into kombucha. Therefore, it is recommended to stick to plain black tea when feeding a SCOBY to promote its growth and maintain its health.
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Add sugar to feed the bacteria and yeast present in the SCOBY
Kombucha is a popular beverage with numerous health benefits, such as strengthening the immune system and soothing the digestive system. It is made by fermenting sweetened tea with the help of a SCOBY (Symbiotic Culture Of Bacteria and Yeast). The SCOBY, also known as the "kombucha mother" or "mushroom," is a living colony of bacteria and yeast that transforms sweet tea into tangy, fizzy kombucha.
To feed the bacteria and yeast present in the SCOBY, sugar is essential. The SCOBY uses sugar as its primary energy source for fermentation. The microorganisms in the SCOBY convert the sugar through lactic fermentation to produce kombucha. Therefore, it is crucial to add sugar to the SCOBY's diet to ensure a successful fermentation process.
When feeding the SCOBY, it is recommended to use plain, granulated table sugar. Organic sugar, such as organic cane sugar, is also suitable. However, it is important to avoid alternative sugars, such as honey, or artificial sweeteners. The recommended amount of sugar is 100 to 120 grams of sugar per liter of water. This amount can vary depending on personal preferences and the desired level of sweetness in the kombucha.
It is important to note that while sugar is essential for feeding the SCOBY, it should not be the only source of nutrition. The SCOBY also requires plain "real" tea, preferably black tea, and water. Using herbal teas, infusions, or flavored teas should be avoided as they can degrade the SCOBY over time and affect the symbiosis of the bacteria and yeast. Therefore, it is recommended to stick to plain tea and sugar for the primary fermentation process.
Additionally, it is worth mentioning that the feeding frequency for the SCOBY depends on various factors, such as ambient temperature and ingredient quality. Generally, it is recommended to add a bit of tea and sugar to feed the SCOBY every 3 to 4 weeks. This will ensure the SCOBY remains healthy and active, facilitating the production of delicious and nutritious kombucha.
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Frequently asked questions
A kombucha mushroom, also known as a SCOBY (Symbiotic Colony of Bacteria and Yeast), is a starter culture used in the fermentation process to make kombucha.
To feed a kombucha mushroom, you need to provide it with sugar and tea. The sugar acts as an energy source for the bacteria and yeast in the SCOBY, and the tea provides the necessary nutrients for its growth.
It is recommended to feed your kombucha mushroom every 3 to 4 weeks. This helps maintain its health and vitality, ensuring successful fermentation.
Plain, unflavored black tea is recommended for feeding a kombucha mushroom. Avoid herbal teas, flavored teas, or infusions as they may contain ingredients that the SCOBY cannot digest and may disrupt the symbiosis of bacteria and yeast.
Yes, it is important to maintain proper temperature and storage conditions. Keep the kombucha mushroom at room temperature, avoiding direct sunlight, and ensure that all utensils and equipment are clean to prevent contamination.

























