Coffee Technology
Latest articles, industry insights and brewing guides
How Roast Level Affects Coffee Bean Flavor and Color
Learn how coffee roast levels—from light to dark—affect flavor, aroma, and color, and why proper roasting unlocks coffee’s full potential.
Best Water Temperature for Pour-Over Coffee Using Filter Paper
Find the ideal water temperature range (82°C–84°C) for balanced pour-over coffee, and learn how roast level and bean freshness affect your brew.
4 Production Systems That Shape Ethiopian Coffee
Over 95% of Ethiopia’s coffee comes from just four farming systems—forest, semi-forest, garden, and plantation. Here’s how each affects flavor.
How Colombian Coffee Is Graded and What Defines Its Flavor
Colombian coffee is graded by defects, bean size, region, and legal standards. Learn the key metrics behind AA, A, and regional distinctions.
Coffee Roast Levels Explained: Stages, Degrees, and Flavors
Learn the five stages of coffee roasting, how to classify roast levels, and the flavors tied to each stage from light to dark.
The Meaning and History of Coffee Roasting
Learn how coffee roasting transforms green beans, why it impacts 30% of your cup’s flavor, and how roasting evolved from 13th-century Arabia to today.
How Blenders Create Specialty Single-Origin Coffee Blends
Learn how skilled roasters blend multiple single-origin coffees to achieve balanced, rich flavors—not just mixing, but crafting a unified cup.
How to Adjust Espresso Grind Size Properly
Learn how to adjust your espresso grind size based on bean freshness, humidity, and roast level. Includes tips on adjusting tamp pressure too.
Espresso Tamping Pressure: How Hard Should You Press?
Learn how tamping pressure affects espresso extraction and why neither too light nor too hard is ideal. Adjust based on grind size.
How to Tamp Espresso: Key Steps and Common Mistakes
Learn how to tamp espresso correctly in two steps—first light, then firm—with tapping and proper wrist pressure for an even shot.
How Long Should Espresso Take? Extraction Time & Technique Explained
Learn why a 25-second, 30cc espresso shot with stable flow matters — and how to fix common extraction mistakes for balanced flavor.
How Coffee Is Grown: From Seed to Coffee Orchard
Learn the complete process of coffee cultivation, from seed selection and nursery techniques to field planting and pruning methods.
How Climate and Soil Shape Specialty Coffee Quality
Discover the ideal temperature, rainfall, light, wind, and soil conditions that determine high-quality coffee growth and flavor development.
SCAA Coffee Cupping Terms Explained for Specialty Coffee
Learn the official SCAA cupping terms for evaluating coffee’s acidity, body, aroma, and flavor, with definitions of 30+ taste descriptors.
How to Cup Coffee: SCAA Cupping Method Explained
Learn the professional SCAA coffee cupping method in 8 clear steps, including scoring aroma, flavor, acidity, body, and aftertaste.
Mandheling vs Golden Mandheling: How to Choose Your Indonesian Coffee
Explore the differences between Indonesian Mandheling G1 and PWN Golden Mandheling coffee beans, including flavor, processing, and roast profiles.
How Coffee Bean Roast Levels Affect Color, Flavor & Characteristics
Learn how roast level transforms raw coffee through color, chemical changes, and flavor development—from light to dark roast stages.
Standard Coffee-to-Water Ratios Set by SCAA
Discover the official SCAA coffee-to-water ratios for balanced brews, from 1 to 12 cups, with key metrics in weight, volume, and extraction science.
How to Pick Fresh Coffee Beans: Roasted & Green Buying Guide
Learn how to assess coffee bean freshness through smell, appearance, and sound. Find out what to look for in both green and roasted beans.
How to Grade and Judge Specialty Coffee Bean Quality
Learn how processing, shape, size, altitude, and freshness determine coffee bean grade and flavor potential.