Coffee Knowledge
Latest articles, industry insights and brewing guides
What Machines Are Really Used in Coffee Shops?
A breakdown of the essential machines in any coffee shop, including grinders, espresso machines, and steam wands — and why they matter.
How to Brew Great Coffee with a Siphon (Vacuum) Pot
Find out whether the siphon 'mound' matters, how to form the ideal filter layer, and why siphon brewing produces unique coffee aromas.
New vs Old Coffee Beans: What Changes Over Time
New coffee beans have 12–13% moisture and vivid green color, while older beans lose moisture and flavor stability over time.
How to Taste and Understand Specialty Coffee Beans
Discover how to taste and appreciate different specialty coffee beans, from Mandheling to Colombian, with key flavor profiles and brewing insights.
How an Espresso Machine Works: Internal Parts Explained
Learn how an espresso machine brews coffee, from water intake to pressure brewing, with a breakdown of all internal components.
What Is Specialty Coffee? Classic Blends and Origins Explained
Explore classic specialty coffee blends like Mandheling-Brazilian, Blue Mountain, and Italian espresso, with origins, flavor profiles, and roast styles explained.
How to Make Authentic Italian Espresso at Home
Learn how to pull a balanced espresso shot with the right ratio, grind, and technique for rich crema and smooth flavor.
Understanding Coffee Acidity, Bitterness, and Aroma in Roast Profiles
Explore how roasting transforms green coffee’s chemistry to deliver sour, bitter, and aromatic flavors. Learn how heat, time, and bean quality shape your cup.
Cappuccino vs Latte: What’s the Real Difference?
The only real difference between a cappuccino and a latte is the thickness of the milk foam—cappuccinos have much thicker foam, typically around 2 cm.
How Temperature Affects Coffee Flavor Perception
Temperature alters how you taste coffee’s acidity, sweetness, and aroma. Here’s why your hot pour-over tastes less sour than the same coffee cold.
How to Make Better Iced Coffee This Summer
Explore how specialty roasters like Blue Bottle and Birch craft vibrant iced coffee drinks, plus methods to try at home.
How to Brew Coffee with a Chemex: Step-by-Step Guide
Learn how to use a Chemex coffee maker with fresh grounds, filtered water, and proper technique for a clean, balanced cup.
How to Pour Heart and Leaf Latte Art Patterns
Master the classic heart and leaf latte art patterns with step-by-step guidance on milk flow, pour height, and wrist movement for baristas.
What Is Natural Low-Caffeine Coffee Laurina?
Laurina is a rare, naturally low-caffeine coffee with about 0.6% caffeine—far lower than regular arabica. Learn its origins and why it’s gaining attention.
Diedrich Roasting Insights from Founder Stephen Diedrich
Learn the roasting philosophy, techniques, and key numbers from Stephen Diedrich, founder of Diedrich Coffee Roasters, including ideal temps, weight loss, and curve shaping.
How Eight-Hour Cold Drip Coffee Is Made
Cold drip coffee takes over eight hours to brew using cold water and precise drip rates, creating a smooth, low-bitter cup ideal for summer.
What Is La Minita Iskandar Coffee? Indonesia’s Rare Specialty Bean
La Minita’s Iskandar coffee is a rare Sumatran single origin made with triple hand-sorting and natural processing—less than 1,000 bags are produced yearly.
Moka Pot History and Its Place in Coffee Culture
Learn how the 1933-designed moka pot became a global favorite, who makes it today, and why it changed home espresso brewing.
How to Check and Clean Clogged Coffee Roaster Pipes
Learn how to spot and fix blocked pipes in your coffee roaster that can ruin roast profiles and cup quality.
Colombian Geisha vs Panama: Why Blue Mountain Stands Out
Discover how Colombia's Blue Mountain Estate Geisha topped Panama’s in global awards, with explosive floral aromas and layered citrus sweetness.