Coffee Technology
Latest articles, industry insights and brewing guides
How to Adjust Hand Grinder Grind Size and Why It Matters
Learn how to adjust a hand grinder’s grind size with no markings, why speed affects extraction, and how it differs from electric grinders.
What Kind of Water Makes the Best Cup of Coffee?
The right water matters more than you think—find out which TDS, pH, and mineral levels produce the best-tasting home-brewed coffee.
How to Taste Coffee and Judge Extraction Quality
Learn how to identify under- and over-extracted coffee by taste, and what flavors reveal about your brew’s extraction level.
How Grind Size and Brew Time Shape Your Coffee Extraction
Learn how grind size and brew time affect coffee extraction, and why finding the right balance is key to balanced flavor.
4 Key Standards for Judging Quality Milk Foam in Latte Art
Learn the four technical standards that define good milk foam: fine texture, no large bubbles, ideal temperature, and minimal waste.
How Coffee Beans Develop: From Flower to Harvest
Learn the 8–9 month journey of coffee cherries, from flowering to ripened beans. See how size, moisture, and energy use shape your cup.
How to Store Roasted Coffee Beans for Best Flavor
Learn which coffee storage methods preserve freshness and flavor best—from non-airtight to pressurized packaging—for home and cafe use.
How Long Do Dark Roast Coffee Beans Stay Fresh?
Dark roasted coffee remains fresh for about 2 weeks after roasting. Store in an airtight container away from light, heat, and moisture.
Light, Medium, and Dark Roast Coffee: What’s the Difference?
Learn how roast levels affect coffee flavor, aroma, and health compounds. This guide breaks down light, medium, and dark roast differences with key temperatures and weight loss data.
What Is Honey Process Coffee and How Is It Made?
Honey process coffee is a hybrid method between washed and natural, offering sweetness and complexity. Learn how it’s done and why it’s popular.
Where and How Coffee Trees Grow Best
Learn the ideal climate, altitude, and soil conditions for growing coffee trees, plus key facts on Arabica vs Robusta species.
What Is Drip Bag Coffee? Key Differences From Instant Coffee
Drip bag coffee uses 100% freshly ground beans, unlike instant coffee. Learn how it works, why it’s better, and how to brew it properly.
How to Brew Drip Coffee Bags for Best Flavor and Crema
Learn how to brew a flavorful cup from drip coffee bags, including optimal water temp, bloom time, and what happens to coffee oils after brewing.
How to Steam Milk with a Coffee Machine: Beginner's Guide
Learn how to steam milk properly with your coffee machine—choosing the right milk, setting the right depth, and hitting the ideal temperature.
How to Brew Coffee with a Siphon (Vacuum) Pot Step-by-Step
Learn how to use a siphon coffee maker with clear steps, from setup to brewing. Ideal for 1:10–1:15 brew ratios and 86–94°C water.
How Coffee Roasting Works: First Crack, Second Crack & Color Stages
Learn how coffee roasting creates color, flavor, and aroma through controlled heat. Understand first and second crack stages and how roast levels affect taste.
ET-2 Roaster Tutorial: Full City Colombian Roast Guide
Learn how to roast 300g of Colombian beans to Full City on the ET-2 with step-by-step instructions, roast curve milestones, and key data points.
Mandheling vs Sumatra Coffee: What’s the Difference?
Mandheling is a market name for high-quality Sumatran Arabica, mainly from Lake Toba and Lake Tawar. Here’s how geography shapes its bold profile.
What Makes Mandheling Coffee Different From Other Indonesians?
Mandheling isn’t a region or coffee variety — it’s a historic misnomer for high-quality Arabica from Indonesia’s Lake Toba region.
How to Choose Coffee Beans: A Beginner’s 3-Minute Guide
Learn how to pick the right coffee beans, understand roast levels, and spot quality factors in under 3 minutes. Covers beans, flavors, and freshness.