Coffee Knowledge
Latest articles, industry insights and brewing guides
What Are the Different Types of Coffee Drinks?
A concise guide to classic espresso-based coffee drinks like ristretto, macchiato, latte, flat white, and more—definitions with exact ratios and volumes.
How Ethiopia’s Top Coffee Is Grown at 2000m Altitude
Discover how Ethiopia’s highest-altitude coffee thrives in Bale National Park, harvested by 5000 locals and transported down Africa’s highest road.
What Is PWN Golden Mandheling Coffee?
True Golden Mandheling comes only from Indonesia’s PWN company, with strict hand selection and G1-grade standards. Here’s how to spot the real one.
Ethiopia Harar Tasted at Lower Brew Temperature
Tasting Ethiopia Harar at a lower brew temperature reveals more pronounced fruit acidity, chocolatey sweetness, and earthy undertones.
How Coffee Varieties Are Classified and Grown
Learn how coffee species, varieties, hybrids, and cultivars differ, and why Arabica and Robusta dominate global production.
Coffee Species and Varieties Explained
Learn the key differences between coffee species like Arabica, Robusta, and Liberica, plus the most common cultivated varieties worldwide.
The Probat Museum: A Journey Through Coffee Roasting History
Explore over 1,000 artifacts at Germany’s Probat Museum, home to century-old roasters, grinders, and the evolution of commercial coffee technology.
What Is Rwandan Maraba Coffee?
Maraba coffee is a high-altitude, Fair Trade-certified Rwandan Arabica from the Bourbon variety, known for premium quality and used by UK and US roasters.
How to Grind Coffee for the Best Flavor
Grind your coffee just before brewing to preserve freshness. Learn how grind size affects extraction and which setting works for each brew method.
How to Grind Coffee for the Best Flavor
Learn why grinding coffee just before brewing matters, how grind size affects extraction, and which grinder to choose for your brew method.
How to Control Coffee Pests in Yunnan Arabica Farms
Learn how to manage key pests like coffee borer beetles and scale insects in Yunnan Arabica coffee, with proven chemical and manual control methods.
Global Coffee Bean Varieties Explained
Explore the key characteristics, flavors, and brewing styles of major single-origin coffee beans from around the world.
How Coffee Is Roasted: Hot Air vs Direct Heat Methods
Learn how hot air and direct heat roasting methods affect coffee flavor, time, and texture—with exact timings and techniques used by pros.
7 Practical Uses for Coffee Grounds and Beans Beyond Brewing
Discover how coffee grounds and beans can deodorize, refresh, and aid digestion — plus tips for storing coffee properly.
Key Coffee Roasting Issues Every Roaster Should Know
Learn how to avoid common coffee roasting mistakes like uneven heat, poor color, and underdeveloped flavor by mastering heat transfer and timing.
How to Read Coffee Bean Labels: Origin, Roast & More
Learn what coffee bean labels really mean — from single origin vs blend to roast levels and farm details. Decode the names on your bag.
What Is Kona Coffee? Hawaii’s Iconic Single-Origin Bean
Learn what makes Kona coffee distinct, including its Hawaiian growing regions, strict grade standards, and why it commands a premium price.
What Does a Coffee Roaster Actually Do?
A coffee roaster’s job is equal parts science, art, and precision. Learn how they listen, smell, and observe to bring out a bean’s best flavors.
Why 'Espresso' Doesn't Mean 'Concentrated Coffee'
Espresso isn’t 'concentrated'—the mistranslation causes confusion. Learn the true meaning behind the word and how it differs from SES-style coffee.
How to Drink Coffee the Right Way: Etiquette & Technique
Master the proper way to hold a coffee cup, add sugar, stir, and enjoy espresso-sized drinks without common social faux pas.