The size of your coffee grounds determines how fast water can extract flavor.
The handbook explains that water needs a specific mineral content to extract flavors effectively. Completely distilled water makes terrible coffee because it lacks the minerals that bind to flavor compounds. Conversely, water that is too hard (high in calcium) can lead to scale buildup in your kettle and uneven extraction.
: Since water is such a vital ingredient (coffee is over 98% water!), the SCA has a companion guide called the Water Quality Handbook , which dives deep into this essential topic.
: You can find a surprising number of free, high-quality coffee guides online. For example, websites like InfoBooks.org offer collections of dozens of free coffee books covering history, roasting, barista skills, and many brewing methods. The Internet Archive also provides access to many coffee-related texts, such as Craft Coffee: A Manual by Jessica Easto. the coffee brewing handbook pdf
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: Grind size must match your brewing method to ensure water passes through the coffee at the correct speed. 3. Water Temperature
Measuring by spoons is inaccurate. A scale measures to the nearest 0.1 gram for precise ratios. The size of your coffee grounds determines how
The Coffee Brewing Handbook by Ted Lingle functions as the definitive scientific foundation for the Specialty Coffee Association (SCA), offering a 60-page compendium based on decades of research to achieve the Golden Cup Award standard. It provides a systematic guide to mastering extraction through precise scientific analysis of brewing factors like water temperature, filtration methods, and measurement techniques. For more details, visit Specialty Coffee Association
The book helps you analyze your finished product, allowing for continuous improvement. Key Principles of the Coffee Brewing Handbook
Let the water drain completely. Total brew time should be 2.5 to 3 minutes. 5. Troubleshooting Your Brew Conversely, water that is too hard (high in
Pour water in concentric circles, avoiding the paper filter edges. Pour in 100g increments until you reach 320g total.
Avoid blade grinders. Burr grinders crush beans into uniform particles, ensuring even extraction.
Measure both your coffee beans and water by weight, not volume, to ensure consistency.