Coffee Technology
Latest articles, industry insights and brewing guides
What Is the WBC and How Is It Scored?
The World Barista Championship (WBC) is a global 15-minute espresso, cappuccino, and signature drink competition judged on technique and taste.
Vietnam’s Coffee History and How to Brew with a Vietnamese Drip Filter
Learn how Vietnam became a top Robusta exporter and master the traditional Vietnamese drip method using a metal phin and sweetened condensed milk.
Common Delong Coffee Machine Faults and Fixes
Fix common Delong coffee machine issues like red or green light errors, slow extraction, and error codes with these straightforward solutions.
4 Key Factors for Running a Successful Coffee Shop
Learn the four essential elements—location, coffee quality, service, and market research—that determine whether your coffee shop succeeds.
What Really Makes a Great Cup of Coffee?
Three key factors determine coffee quality: bean freshness, roast skill, and brewing precision. Master all three for consistently great results.
How to Brew with Chemex: History, Grind, and Step-by-Step Guide
Learn the history of the Chemex coffee maker and how to brew with it using a 17:1 brew ratio, thick paper filters, and precise pouring.
How Coffee Roasting Stages Shape Bean Flavor and Quality
Learn how the three key stages of coffee roasting—drying, first and second crack, and cooling—affect the flavor, aroma, and roast level of your beans.
How Roasting Determines Good and Bad Coffee Quality
Learn why quality green beans, minimal defects, and fresh roasting define great coffee—plus how defects ruin flavor.
Introducing the RotateFun300 Home Coffee Roaster
The RotateFun300 is a 500g-capacity home roaster with visual control, tilting agitation, and 110V electric heating for fresh home-roasted coffee.
Coffee Grinding and Brewing Basics for Beginners
Learn the right grind size for your brew method, ideal water temp, and how to avoid common mistakes for better home coffee.
How Coffee Roasting Unlocks the World’s Richest Aromas
Discover how professional roasting transforms raw coffee beans from earthy and harsh into intensely aromatic, flavorful beans. Learn the science behind it.
Why Coffee Milk Must Be Chilled and How to Steam It Right
Chilled milk steams better for smoother microfoam. Learn the ideal temp, technique, and why 60–70°C is key for latte art.
Why Your Drip Coffee Tastes Weak – And How to Fix It
Weak drip coffee often comes down to grind size, brew ratio, or stale grounds. Here’s how to fix each issue step by step.
What’s the Best Milk Temperature for Steaming Coffee?
The ideal milk temperature for steaming is 60–70°C. Below 60°C, flavor suffers; above 70°C, milk quality breaks down. Learn to measure it by hand.
SCAA Gold Cup Coffee: Ideal Brew Ratio Explained
Learn the SCAA’s Gold Cup standard: 18–22% extraction, 1.1–1.3% TDS, and a 1:17 brew ratio for balanced drip coffee.
How Specialty Coffee Beans Are Processed: Natural, Washed, and Honey Methods
Learn how green coffee beans are produced through natural, washed, and honey processing — the key steps that shape flavor before roasting.
Why Wipe the Lower Siphon Chamber with a Wet Cloth?
Wiping the lower chamber of a siphon brewer with a wet cloth stabilizes extraction by controlling cooling rates, ensuring consistent flavor across brews.
What Is Channeling in Coffee and How to Avoid It
Channeling in coffee causes uneven extraction, leading to sour or bitter cups. Learn where it happens and how to fix it in pour-over and espresso.
Why Your Siphon Coffee Top Chamber Won’t Heat Up
Your siphon’s top chamber isn’t reaching the right brew temp? Here’s why alcohol lamps and low water fail—and how to fix it.
Choosing the Right Grind Size for Your Coffee Brewer
Find out which grind size works best for your brewing method—from French press to espresso—based on tested grind settings and extraction principles.