Guide to Kombucha Second Fermentation Process Recipe (2024)

FAQs

What is the ratio for kombucha second fermentation? ›

Ratios for Kombucha Flavoring

If flavoring with fresh, frozen, or dried fruit, start with 10-30% fruit and 70-90% Kombucha. If flavoring with juice, start with 10-20% juice and 80-90% Kombucha.

-Increase sugar in your secondary fermentation. You can do this by adding fruit, fruit juice or sugar. I'll add ¼-1 tsp sugar per 16 oz bottle if my flavoring doesn't have any natural sugars in it. -Fill your secondary fermentation bottles closer to the top leaving an inch of space between the kombucha and the top.

I'm not getting carbonation in my kombucha after secondary fermentation. Don't worry too much; carbonation can be finicky. Often temperature has much to do with it, but sometimes the yeast just don't want to perform for you. Just keep on brewing, and it should come with time.

Second Ferment Process

- Pour your kombucha into the bottle through a muslin cloth lined funnel. - Seal the bottle tightly (a flip top cap is the easiest) and leave at room temperature for 2 -3 days to carbonate. - Taste test, if it is not as bubbly as you want, leave it out for another day or two.

The ideal temperature range for kombucha fermentation is between 60°F and 85°F (16°C and 29°C). For best results and flavors, aim for a range of 75°F–80°F (24°C–26°C), especially during the first three to seven days of the fermentation process.

However, overloading the must with sugar can overwhelm the yeast and make it difficult for fermentation to begin. With small batches (1-gallon recipes), the amount of sugar is small enough that it won't bother the yeast.

Burping is essentially just opening your bottles ever so slightly during the second fermentation process to release air or “excess pressure” in the bottle. Many brewers recommend burping bottles every day, or every other day while your bottles are fermenting at room temperature.

Some people don't want any carbonation, and that's OK. You don't need to go through F2 in order to drink kombucha. But if you do want fizz, read on...

As soon as the bottle has been opened, the kombucha interacts with air, and so it is recommended that kombucha is consumed within one week of opening. Similar to how you would treat a bottle of soda. The beverage won't go bad if you store it correctly beyond one week, but it will lose some of its effervescence.

It's cheap and easy to make, but if you leave it fermenting too long it can get a strong taste, and actually will turn to vinegar which will stay perfectly preserved. If your kombucha tea ever gets too strong for your taste, don't throw it out!

Can I use SCOBY from second fermentation? ›

If a SCOBY forms during the second fermentation, you can filter it out when serving, eat it, save it, or toss it. It's up to you; let's go over each. If you notice a new SCOBY in your bottle, you can easily filter it out of your kombucha before drinking.

If you've been able to produce a successful batch of first fermented kombucha and you've gone over a week without any mold in your brew vessel, it's very unlikely that you'll develop mold during second fermentation in the bottle.

The duration of a secondary fermentation or conditioning phase can vary from as little as a week to over 6 months. Actual time will vary and you should let your taste buds and nose determine when a beer is ready for bottling. During extended secondaries, you should make sure your airlock does not dry out.

When brewing kombucha, the most important rule of thumb is the sweet tea to starter tea ratio. The sweet tea to kombucha starter tea ratio is 9:1 or 90% sweet tea to 10% kombucha starter tea.

For each gallon of sweet tea, use 1 large SCOBY (5-6 inches across, ½ – 1 inch thick) and 1-2 cups strong starter liquid.

Batch Size: To increase or decrease the amount of kombucha you make, maintain the basic ratio of 1 cup of sugar, 8 bags of tea, and 2 cups starter tea per gallon batch. One scoby will ferment any size batch, though larger batches may take longer.