Coffee Technology
Latest articles, industry insights and brewing guides
How Water Quality Affects Your Coffee Brew
Learn why water chemistry—TDS, pH, hardness, and mineral balance—is critical to coffee extraction and flavor, with expert-backed ranges.
How to Use a French Press: Step-by-Step Guide
Learn how to brew coffee with a French press in 10 clear steps, including grind size, brew time, water temp, and key differences from an AeroPress.
Indonesia Sumatra Mandheling vs Golden Mandheling Coffee Beans
Learn the flavor traits of Sumatra Mandheling and how it differs from the refined PWN Golden Mandheling, including processing and roast impact.
How to Retrain Your Tongue for Accurate Coffee Flavor Detection
Learn why the classic tongue taste map is outdated and how to map your own taste sensitivity for better coffee flavor discernment.
How to Judge Coffee Bean Freshness and Quality
Learn how to assess coffee bean freshness, roast quality, and flavor through sight, smell, touch, and taste with these practical steps.
Electric Grinder Cone Burr Disassembly: Gear and Shaft Breakdown
A step-by-step teardown of a built-in electric grinder’s cone burr setup reveals how its plastic gear and metal shaft hold up under stress.
How to Use a Drip Coffee Maker: Ratios and Grind Size
Learn how to brew great-tasting drip coffee with the right water-to-coffee ratio, grind size, and step-by-step instructions for home drip machines.
Siphon Coffee: Grind Size, Brewing, and Maintenance Guide
Find out the right coffee grind for siphon brewing, how it works, what beans suit it best, and how to clean the filter.
How to Preserve Coffee’s Fragile Aroma During Brewing
Coffee aromas evaporate fast—here’s how water temp, freshness, and equipment stability affect your cup’s scent and taste.
How to Brew Coffee at Home: Tools and Steps for Better Flavor
Learn how to brew better-tasting coffee at home with the right grind, brewer, and cup. Step-by-step guide for serious home baristas.
Where Are Coffee’s Aromas Concentrated?
Most of a coffee bean’s aromatic compounds are found in just 3% of its mass—mainly in two key oils: cafestol and kahweol.
How to Use the SCAA Cupping Form and Flavor Wheel
Learn how to score coffee cuppings using the SCAA form, including aroma, flavor, aftertaste, acidity, body, and more. A complete guide for specialty coffee pros.
What Is Blended Coffee and Why It Matters
Blended coffee, or espresso blend, combines beans for balance and consistency. Learn why it's essential for espresso and how pros craft great profiles.
Ethiopian Coffee Regions, Processing, and Key Origins
Discover Ethiopia’s major coffee-growing regions, production methods, export facts, and what makes its beans world-renowned.
How Long Do Coffee Beans Last? Proper Storage Tips
Learn how long coffee beans stay fresh after roasting and how to store them properly to preserve flavor and aroma.
When Is Coffee Harvested? Timing by Latitude
Learn exactly when coffee is picked around the world: September–November in the north, April–August in the south, and year-round near the equator.
How to Use a Siphon Coffee Maker: Step-by-Step Guide
Learn how to brew coffee with a siphon maker in 6 steps, including water levels, timing, stirring, and proper cleanup.
Manual vs Electric Coffee Grinders: How to Use Both
Learn how to use manual and electric coffee grinders, their differences, and how to adjust grind size for better brewing. Practical tips included.
How SCAA’s Coffee Cupping System Evaluates Specialty Coffee
Discover the SCAA’s standardized cupping protocol: grind size, ratios, temperatures, scoring, and how pros assess coffee quality.
What Makes a Good or Bad Cup of Coffee?
Learn the real difference between good and bad coffee, how to judge quality, and what ruins a cup—beyond just taste preferences.