Coffee Knowledge
Latest articles, industry insights and brewing guides
Common Coffee Machine Error Messages Explained
Find out what your coffee machine’s English error messages mean and how to fix them—like 'BREWUNITBLOCKED' or 'DREGDRAWER FULL'.
How Water Quality Affects Your Cup of Coffee
Find out why the wrong water can ruin your coffee—and what kind actually makes it taste better, according to specialty brewing principles.
Why Drip Coffee Has Less Caffeine Than Espresso
Drip coffee contains around 115mg caffeine per cup, while espresso has about 80mg. Find out how brew methods affect caffeine levels in coffee.
What Exactly Is Espresso?
Espresso is a high-pressure coffee brew extracted through finely ground coffee using 8.2–9 bar pressure. Most café versions are poor, but the real thing is intense and flavorful.
How Coffee Entered the Chinese Market
Learn how coffee spread from 11th-century Arabia to China, tracing its global journey through Europe and into modern Chinese consumption.
Why Coffee Has Over 800 Aromas
Coffee contains more than 800 aromatic compounds. Roast level and chemical reactions create these scents, which shape your flavor experience.
What Makes Jamaican Blue Mountain Coffee So Special?
Learn why Jamaica Blue Mountain coffee is famed worldwide, from its unique high-elevation growing conditions to strict certification standards.
How Different Countries Brew and Drink Coffee Around the World
Explore unique coffee brewing and drinking traditions from Turkey, France, Italy, and the US — each with distinct rituals and cultural meanings.
How to Choose and Brew High-Quality Coffee Beans
Learn how to identify great coffee beans, store them properly, and roast or brew them to bring out their best flavors.
Best Drinking Temperatures for Different Types of Coffee
Find out the optimal serving temperatures for espresso, milk coffee, black coffee, and iced coffee to enjoy the best flavor.
What Is Coffee Body and How to Taste It
Coffee body refers to mouthfeel, not flavor—here’s how to distinguish creamy, milky, or watery textures in your cup.
Why Is Black Coffee Bitter? The Science Behind It
Bitterness in coffee comes mainly from chlorogenic acid lactones and phenylindanes formed during roasting—longer roasts intensify the bitterness.
What Is Coffee Cupping and How Professionals Do It
Learn how coffee professionals evaluate beans through standardized cupping: the exact method, tools, and sensory steps used in specialty coffee.
Beginner’s Guide to Specialty Coffee & Entry-Level Pour-Over Beans
Learn what makes a coffee 'specialty' and get 6 beginner-friendly single-origin beans perfect for pour-over brewing, with flavor profiles and brewing steps.
What Makes French Coffee Culture Unique
Discover the everyday French coffee habits behind iconic Parisian cafés and leading national coffee brands like Maison du Café and Carte Noire.
How to Steam Milk for Espresso with an Italian Coffee Machine
Learn how to properly steam milk for espresso using an Italian coffee machine, including when to purge steam, ideal temperatures, and techniques.
How to Brew Better Pour-Over Coffee with a V60
Learn how to master pour-over coffee with a Hario V60, including grind size, water flow, and why this cone excels with light roasts.
The History and How-To of Pour-Over Coffee
Discover how pour-over coffee started in 1908, what makes it taste great, and how to brew it step-by-step.
What Makes Coffee Acidic? Specialty Coffee Acidity Explained
Learn which coffee acids define flavor, why altitude and roast level affect acidity, and how pH influences your cup’s brightness.
How Coffee Variables Like Grind Size and Water Temperature Affect Your Brew
Learn how water quality, temperature, grind size, and coffee dose impact extraction, flavor balance, and strength in your cup.