Coffee Technology
Latest articles, industry insights and brewing guides
Vietnam Drip Coffee: What to Avoid When Drinking It
Learn key health risks of drinking Vietnam drip coffee, including interactions with alcohol, calcium loss, and effects on cholesterol.
How to Use a Vietnamese Drip Coffee Maker (Phin)
Learn how to brew Vietnamese coffee with a phin filter — including steps for blooming, brewing time, and using condensed milk.
How to Cup Coffee: Origins, Purpose and Key Techniques
Learn why cupping is essential for evaluating coffee differences, how pros do it, and what to measure for accurate flavor assessment.
How to Cup Coffee Like a Pro: A Step-by-Step Guide
Learn how roasters assess coffee quality through cupping, including the 10 key flavor traits and exact steps from dry aroma to finish.
How Coffee Packaging Differs by Type, Material & Color
Learn how green, roasted, and instant coffee are packaged differently, including materials and color meanings — with storage times for each.
Best Jute Bags for Green Coffee Bean Packaging
Discover which type of jute bag best protects green coffee beans, why jute is commonly used, and how packaging affects freshness.
What Does 'GP' Mean on Coffee Bean Bags?
GP stands for GrainPro — a protective inner liner used in green coffee shipping. It replaces basic sacks and preserves bean freshness.
Single vs Double Shot Coffee Basket Differences Explained
Learn the key differences between single and double shot coffee baskets, including capacity, shape, flow rate, and how to adjust grind settings.
Where Does Bitterness and Acidity Come From in Coffee?
Learn why coffee tastes bitter or acidic—90% of bitterness isn’t caffeine, and acidity develops during roasting, not in green beans.
How to Brew a Gold Cup Coffee with Perfect Extraction
Learn the ideal Gold Cup coffee standards: 18–22% extraction, 1.2–1.45% TDS, and the right brew methods for balanced flavor.
The Complete Guide to Coffee Roasting Stages and Profiles
Learn how coffee roasting transforms green beans through drying, Maillard reactions, and cooling, with profiles from light to Italian roast.
Traditional Costa Rican Chorreador Coffee Brewing Method
Learn how to brew Costa Rican coffee using the traditional Chorreador method — a simple, cloth-filter pour-over technique with clean, sweet results.
How a French Press Brews Coffee & How to Clean It
Learn how immersion brewing in a French press extracts rich coffee oils, and follow the correct steps to clean your press thoroughly.
How to Use a French Press: History and Proper Technique
Learn the history of the French press and how to brew rich, full-bodied coffee with the correct grind, ratio, and 4-minute steep.
What’s the Difference Between Clear Coffee and Black Coffee?
Clear coffee means drinking brewed coffee with no added milk, sugar, or sweeteners. It's the same as black coffee—just coffee and water.
How Milk Foam Affects Latte Art: 7 Key Factors
Learn how milk temperature, fat content, and foam texture influence latte art quality. Seven essential factors every barista should master.
How to Steam Milk for Better Latte Art
Learn how to steam milk properly for latte art with the right temperature, vortex, and foam texture for perfect cappuccinos and lattes.
Why Your Semi-Auto Machine Isn’t Making Smooth Milk Foam
Find out why your home or shop espresso machine produces bubbly milk foam, and how to fix it with steam wand setup, technique, and milk choice.
How a French Press Brews Coffee: Principle and Key Features
Discover how a French press works to make bold, full-bodied coffee using immersion brewing, and why it’s ideal for travel and dark roasts.
How to Avoid Coffee Grounds in French Press Coffee
Learn how to reduce coffee sediment in your French press by adjusting grind size, pressing slowly, and using a better grinder.