Coffee Knowledge
Latest articles, industry insights and brewing guides
What to Check When Buying Green Coffee Beans
Learn 10 key factors to inspect when purchasing green coffee beans, from size consistency to drying quality, to ensure roast success.
How Milk Chemistry Affects Your Espresso Drink
Learn how milk’s lactose, fat, and protein levels shape sweetness, texture, and foam stability in your espresso-based drinks.
What Is 4C Coffee Certification and Why It Matters
Learn what 4C coffee certification means for sustainability, who can use it, and how it’s verified across the global coffee supply chain.
How to Make Your Coffee Taste Better: 4 Key Tips
Learn four simple ways to improve your brewed coffee’s flavor, from storage to brewing timing and cleaning.
What Is Kona Coffee and Why Is It So Rare?
Learn what makes Hawaiian Kona coffee rare and valuable, including its true classification and why most 'Kona' blends contain very little of it.
Choosing the Right Coffee Grinder for Specialty Brewing
Learn why a burr grinder matters more than your espresso machine, and how wattage and uniformity affect your brew quality.
SCAA Brewing Ratio Chart for Specialty Coffee
Discover the ideal coffee-to-water ratios recommended by the SCAA for balanced, high-quality pour-over and drip coffee brewing.
Common Types of Coffee Makers Explained
Learn the key differences between 4 major coffee brewing methods, their roast preferences, grind sizes, and typical regional styles.
How Much Caffeine Is in Your Daily Drinks?
Find out the safe daily caffeine limit and exact amounts in cola, energy drinks, and more—per 100ml.
Dry vs Wet Cappuccino: What’s the Difference in Milk and Foam?
Dry cappuccinos have more foam and less milk, tasting stronger in coffee flavor. Wet versions have more steamed milk, making them creamier and milder.
How to Make Great Milk Foam for Espresso Drinks
Good milk foam starts with whole milk (3.5%–4% fat) and proper technique. Learn why fat stability matters and how to get long-lasting microfoam.
Why Warming Your Coffee Cup Actually Matters
Warming your coffee cup before brewing improves aroma and taste. Learn why this simple step preserves flavor and how to do it right.
Understanding Coffee Cupping: Key Taste Terms Explained
Learn the essential coffee tasting terms used in cupping: dry and wet aroma, acidity, body, aftertaste, and flavor. Understand what pros evaluate.
Understanding Coffee Roasting: What Every Coffee Drinker Should Know
Coffee roasting shapes 80% of your cup’s flavor. Learn how heat application, timing, and control turn green beans into great coffee.
Yunnan Coffee Varieties: Typica, Bourbon, and Catimor
Yunnan grows mainly Catimor, with some Typica and Bourbon. Learn which varieties dominate, their traits, and why Catimor leads production.
How Caffeine Can Boost Your Long-Term Memory
A Johns Hopkins study found 200mg of caffeine boosts memory retention for 24 hours, especially in recognizing similar images.
How Coffee Grounds Grow Mushrooms and Fund Low-Income Communities
Coffee grounds can grow edible mushrooms and support livelihoods—Shanghai students turned 15 tons of waste into a social enterprise with real impact.
How Often Should You Clean Your Coffee Grinder?
Neglecting your coffee grinder for too long leads to buildup that ruins flavor. Here’s how often to clean it and why it matters.
What Is Pre-Infusion in Espresso Machines?
Pre-infusion wets coffee grounds before full pressure extraction. Learn how it works, why it matters, and how different machines handle it.
SCAA Cupping Standards for Specialty Coffee
Follow SCAA guidelines: medium roast (55 on SCAA chart), 8–12 min roast time, cup within 24 hours, 8.25g coffee to 150ml water at 93°C.