The Importance of Burping Your Bottles in Kombucha Brewing: Avoiding Messes and Explosions – Why Burp your Bottles?
Hello, Kombucha enthusiasts! Today, we’re going to delve into a critical yet often overlooked aspect of the Kombucha brewing process – burping your bottles during the second fermentation. This simple step can save you from a world of mess and potential bottle explosions. So, let’s get started!
The Science Behind Kombucha Fermentation

Before we delve into the importance of burping bottles, let’s understand the science behind kombucha fermentation. Kombucha is produced through the symbiotic relationship between yeast and bacteria. Yeast consumes the sugar in the tea, converting it into alcohol, while bacteria convert the alcohol into organic acids such as acetic acid. This process results in the unique flavor profile of kombucha.
During fermentation, yeast produces carbon dioxide as a byproduct. The accumulation of carbon dioxide leads to pressure buildup within sealed bottles. This pressure is responsible for creating the desired carbonation in kombucha. However, if the pressure is not released appropriately, it can result in exploding bottles or leakage.
The Purpose of Burping Bottles
Burping bottles in kombucha fermentation serves several important purposes. Firstly, it helps prevent the risk of exploding bottles and potential hazards. When pressure builds up inside a sealed bottle, the glass or container may rupture, causing a messy and potentially dangerous situation. By burping the bottles, excess carbon dioxide is released, reducing the pressure and minimizing the risk of explosions.
Secondly, burping bottles allows excess carbon dioxide to escape. If the pressure continues to build up without release, it can lead to over-carbonation, resulting in fizzy kombucha that may be difficult to drink. By burping the bottles, you can control the carbonation levels, ensuring a pleasant drinking experience.
Lastly, burping bottles helps maintain optimal fermentation conditions. If the pressure remains high for an extended period, it can affect the flavor and quality of kombucha. Properly burping the bottles allows the fermentation process to continue smoothly, contributing to the development of the desired taste profile.
Should you “Burp”?
Now, onto the main topic – why should you burp your bottles? The answer lies in the science of fermentation. During the second fermentation, the yeast in your Kombucha continues to consume the sugars, producing carbon dioxide gas as a byproduct. This gas builds up in the sealed bottle, leading to increased pressure.
This is where burping comes in. Burping simply means opening your bottles briefly each day to release the built-up gas. It’s a crucial step that can prevent over-carbonation and the potential for your bottles to explode.
Imagine this scenario: You’ve left your Kombucha to ferment for a few days, excited about the fizzy, flavorful drink you’re about to enjoy. But instead, you’re greeted with a loud pop and a mess of sticky Kombucha all over your kitchen. Not the most pleasant experience, right? That’s exactly what burping helps to avoid. Not wanting to Burp and Looking for an alternate solution? Well these Pickle Pipes below are a good option as well as fermenting your booch in a cooler for safer practices!

Moreover, burping your bottles also gives you a chance to check on the progress of your brew. You can gauge the level of carbonation and adjust your fermentation time accordingly. If your Kombucha fizzes a lot when you burp it, it might be ready to refrigerate, which halts the fermentation process. This also is a great time to taste test what your brew!
Final Remarks
Burping your bottles during the second fermentation of Kombucha brewing is a small step with significant benefits. It helps you avoid messy clean-ups, potential bottle explosions, and gives you more control over the carbonation of your brew. So, remember to burp your bottles daily – your kitchen (and your Kombucha) will thank you! Happy brewing y’all!
Tips for Successful Burping

To ensure successful burping and maintain the quality of your kombucha, consider the following tips:
- Use appropriate bottle types and closures: Opt for bottles designed for carbonated beverages, such as swing-top bottles or those with sturdy seals. Avoid using containers that are not suitable for holding pressure, such as regular glass jars.
- Choose the right fermentation environment: Maintain a consistent temperature and avoid exposing your kombucha to extreme heat or cold. Fluctuations in temperature can affect fermentation and increase the risk of excessive pressure buildup.
- Monitor carbonation levels: Regularly check the carbonation levels in your kombucha by gently opening a bottle and observing the release of carbon dioxide. Adjust the burping frequency based on your desired level of carbonation.
Common Concerns and Misconceptions
Let’s address some common concerns and misconceptions related to burping bottles in kombucha fermentation:
- “Will burping bottles affect carbonation?” Burping bottles helps regulate carbonation levels by releasing excess carbon dioxide. It ensures that your kombucha is not over-carbonated or under-carbonated, resulting in a well-balanced beverage.
- “How long should I burp my bottles?” The duration of burping depends on the stage of fermentation and the desired level of carbonation. During the initial fermentation, burping every 12 to 24 hours is generally recommended. As the fermentation progresses, you can adjust the frequency based on your taste preferences.
- “Can I skip burping if I use airlock systems?” Airlock systems are commonly used in brewing beer and wine to release carbon dioxide without the need for burping. However, in kombucha fermentation, airlock systems are not typically necessary, as the carbonation levels are actively controlled through burping.
- “Are there alternative methods to burping?” While burping is the most common method, there are alternative approaches to releasing excess carbon dioxide. Some brewers opt for using plastic bottles with squeezable sides, allowing them to manually release the pressure by squeezing the bottle.
- “Can I reuse bottles that have been burped?” Yes, you can reuse bottles that have been burped, as long as they are in good condition and properly cleaned. However, it is important to note that the seals or closures may wear out over time, so it is advisable to monitor their effectiveness.
Thanks for reading Why Burp your Bottles. Want to learn more about Kombucha Brewing? Check out the blogposts below!
- Guide to Second Fermentation
- Guide to First Fermentation
- My Personal Story on Kombucha Explosion!
- Want a deeper dive on Burping Bottles? Check out a Youtube Video here!