Beer Info FAQ

What Does Bottle Conditioned Beer Mean?

Bottle conditioning is a method used in beer brewing to naturally carbonate the beer inside the bottle. It involves adding a small amount of fermentable sugar and yeast to the beer just before bottling. The yeast consumes the sugar, producing carbon dioxide as a byproduct, which creates the desired carbonation in the beer. This process allows the beer to develop and mature over time, resulting in unique flavors and a more complex profile.

In-Depth Review and Comparisons

Bottle conditioned beer offers several advantages over other carbonation methods. Firstly, it allows for greater control over the carbonation level. Brewers can adjust the amount of sugar added to each bottle, resulting in varying levels of carbonation. This customization allows beer enthusiasts to enjoy their preferred level of fizziness.

Additionally, bottle conditioning can enhance the flavor of the beer. As the yeast consumes the added sugar, it continues to interact with the other compounds present in the beer, creating new flavors and aromas. This secondary fermentation process can lead to a smoother and more well-rounded taste.

Compared to force carbonation methods, such as carbonating beer in kegs using CO2, bottle conditioning is a more traditional and artisanal approach. It harkens back to the early days of brewing when carbonation occurred naturally in the bottle. Many beer enthusiasts appreciate the craftsmanship and complexity that bottle conditioning brings to the final product.


Bottle conditioned beer offers a unique and flavorful experience for beer lovers. The combination of natural carbonation and the ongoing interaction between yeast and beer compounds during secondary fermentation creates a more complex and enjoyable drinking experience. Whether you prefer a subtle effervescence or a lively carbonation, bottle conditioned beer allows for customization and a deeper appreciation of the brewing process.

Frequently Asked Questions

Q: How long does bottle conditioned beer need to age before it is ready to drink? A: The aging process for bottle conditioned beer can vary depending on the style and desired flavor profile. Some beers may be ready to drink within a few weeks, while others benefit from several months or even years of aging. It is recommended to store bottle conditioned beer in a cool, dark place and periodically sample it to determine the optimal aging time.

Q: Can I store bottle conditioned beer for an extended period of time? A: Yes, bottle conditioned beer can be stored for an extended period of time, similar to other types of beer. However, it is important to note that the flavors and characteristics of the beer may change over time. Some beers, particularly those with higher alcohol content, can develop more complex flavors and improve with age. It is always a good idea to check the beer's freshness and quality before consuming.

Q: Can I reuse the yeast sediment in bottle conditioned beer? A: While it is possible to reuse the yeast sediment, it is generally not recommended. The yeast sediment, also known as "trub," may contain various impurities and spent yeast cells. Reusing this sediment can introduce off-flavors and affect the quality of future batches. It is best to use fresh yeast for each brewing cycle.

Q: Are all craft beers bottle conditioned? A: No, not all craft beers are bottle conditioned. Many craft breweries use alternative carbonation methods, such as force carbonation or carbonating beer in kegs. Bottle conditioning is a specific technique that adds an extra layer of complexity and character to the beer. It is more commonly found in certain beer styles, such as Belgian ales and traditional English ales.

Q: Can I achieve the same carbonation level in bottle conditioned beer as in commercially carbonated beers? A: Yes, it is possible to achieve similar carbonation levels in bottle conditioned beer as in commercially carbonated beers. By carefully measuring and adding the appropriate amount of priming sugar to each bottle, brewers can control the carbonation level to match their desired outcome. However, it is important to note that bottle conditioned beers may have a slightly different mouthfeel and carbonation profile compared to commercially carbonated beers.