Category: Brewing Science

  • Krausen In Beer Brewing – All You Need To Know!

    Krausen In Beer Brewing – All You Need To Know!

    Ah, Krausen, one of the most fascinating and dynamic stages in the brewing process! As an experienced brewer, I’ve had the pleasure of witnessing the beauty and complexity of Krausen many times. It’s a phase that occurs during fermentation and holds great significance in determining the quality and character of the final beer. Krausen is…

  • Refractometer Vs Hydrometer For Brewing?

    Refractometer Vs Hydrometer For Brewing?

    When it comes to brewing, one of the most important aspects is accurately measuring the sugar content of your wort and finished beer. This is crucial for determining the alcohol content and ensuring a consistent product. The two most popular tools for measuring sugar content in brewing are the refractometer and the hydrometer. But which…

  • Can You Ferment Lime Juice? (Here’s How!)

    Can You Ferment Lime Juice? (Here’s How!)

    As a seasoned brewer, I have enjoyed experimenting with various ingredients and techniques to create unique and flavorful beverages. One question that has crossed my mind over the years is: Can you ferment lime juice? The idea of creating a fermented lime beverage seemed intriguing, but I was unsure if it was even possible. Yes,…

  • Does Potassium Sorbate Go Bad? (How long does it last?)

    Does Potassium Sorbate Go Bad? (How long does it last?)

    Being a brewer for several years now, I’ve always been fascinated by the various additives and preservatives that come into play during the brewing process. One such ingredient that has caught my attention is potassium sorbate. As a food preservative and wine stabilizer, it’s often used to prevent the growth of mold, yeast, and bacteria…

  • What is Sparkolloid and How Is It Used In Brewing?

    What is Sparkolloid and How Is It Used In Brewing?

    Interested in improving the clarity of your homebrewed beer? Explore the benefits of Sparkolloid. This article will explain what Sparkolloid is, how it is used in brewing, and which beer styles can benefit from its use. We will also cover the methods of incorporating Sparkolloid into your brewing process, its advantages, potential drawbacks, and alternative…

  • Do Fermentation Vessels Need to be Airtight? (Why?)

    Do Fermentation Vessels Need to be Airtight? (Why?)

    Fermentation typically occurs in an anaerobic environment, meaning without air. This makes the formation of ethanol much more efficient. However, some forms of brewing, such as those that occur in open crocks or barrels, can allow for limited exposure to air. This is because, as explained in a previous article, that during active fermentation, the…

  • Diacetyl Rest in Beer Brewing – Explained!

    Diacetyl Rest in Beer Brewing – Explained!

    Have you ever wondered what diacetyl rest is in beer brewing and why it is so important? Diacetyl, a compound that can affect the flavor of beer, needs to be carefully managed during the brewing process. In order to reduce it, brewers perform a so-called “diacetyl rest” after fermentation is completed. We will explore what…

  • Malolactic Fermentation in Beer – Souring Sensation and the Rise of Unique Beer Styles

    Malolactic Fermentation in Beer – Souring Sensation and the Rise of Unique Beer Styles

    Malolactic fermentation is a fascinating process that can greatly impact the flavor, aroma, and overall quality of the final product. In this comprehensive guide, we will delve into all aspects of malolactic fermentation, from its fundamental principles to its potential benefits and risks. We will explore the steps involved in the fermentation process, the key…

  • How to Stop Cider Fermentation: A Step-by-Step Guide

    How to Stop Cider Fermentation: A Step-by-Step Guide

    Stopping the fermentation process of cider is a crucial step for any cider maker who wishes to tailor the flavor and sweetness of their beverage. During the fermentation process, yeast converts the sugars in apple juice into alcohol, producing dry cider if the process goes to completion. However, if a sweeter cider is desired, or…

  • What is Malolactic Fermentation In Cider Brewing?

    What is Malolactic Fermentation In Cider Brewing?

    Malolactic fermentation (MLF) is a process in traditional wine- and cidermaking that converts malic acid, a naturally occurring acid in grapes and apples, into lactic acid – a more mellow acid known from yoghurt! This process not only changes the acid profile of cider, but also contributes to its flavor and stability. In this post,…