Coffee Technology
Latest articles, industry insights and brewing guides
Can You Re-Extract Coffee? What Changes in the Second Brew
Yes, you can re-extract coffee—but taste and strength drop significantly. Using tools like the AeroPress, a second 'under-extracted' brew may taste smoother, but isn’t optimal.
Patented Roasting Tech Boosts Polyphenols in Coffee Beans
A new patented process extracts and reintroduces polyphenols into roasted coffee beans, significantly increasing their antioxidant content.
How Shade vs Sun Coffee Farming Affects Rust Risk
Shade-grown coffee once protected farms from rust. Learn how sun exposure and biodiversity loss triggered Central America’s worst outbreak.
How Coffee Acidity Works: Roast, Process & Brewing Tips
Learn how roast level, processing, and brewing affect coffee acidity, with clear comparisons and 12 key rules from a Chinese specialty roaster.
How Roast Level Affects Coffee Extraction Variables
Learn how grind size, temperature, time, and pressure influence coffee extraction post-roast, and how to balance them for better flavor.
What Is 90+ Coffee? Origin, Grading & Flavor System Explained
Learn how 90+ Coffee got its name, how its beans are graded beyond 90 points, and why its naming and processing methods break the specialty coffee rules.
How to Do Drip Pour-Over with Segment Brewing
Explore how segment brewing and water ratios affect Yirgacheffe Konga extraction, revealing distinct flavor layers from first to last pour.
How Coffee Bean Roast Levels Affect Flavor and Freshness
Learn how roast levels affect acidity, bitterness, and crema, and how to store beans to preserve aroma and prevent oxidation.
Why Espresso Needs a Coffee Blend and How to Get Good Crema
Learn why espresso relies on blends, what makes great crema, and how roast level, bean origin, and brewing affect your shot.
How to Control Dose and Tamp for Better Espresso
Learn how to adjust espresso dose via tapping and leveling, and understand the real impact of tamping pressure for consistent shots.
How to Make Pour-Over Coffee: A Beginner-Friendly Guide
Learn how to brew great pour-over coffee at home with a simple 20g-to-350g method, ideal grind size, and key steps for clean, sweet results.
Why Your Roasted Coffee Isn’t Fully Extracted
Learn why your coffee may taste off—often due to under- or over-extraction—and how to hit the ideal 18–21% extraction range for balanced brews.
Espresso Grinder Essentials: Common Issues & Key Parts Explained
Learn why your espresso grinder matters more than your machine, how grind consistency impacts flavor, and what settings really control extraction.
How Much Water and Grind Size for AeroPress Coffee?
Find the ideal water-to-coffee ratio and grind size for brewing with an AeroPress. This guide explains ratios, temperatures, and adjustments for flavor control.
Aeropress Brewing: 10 Common Questions Answered
Find the best grind, water temp, filter, and brew method tips for making great coffee with the Aeropress in 10 practical answers.
How to Hold and Drink Coffee Properly: Coffee Etiquette Explained
Learn the right way to hold a coffee cup, add milk and sugar, stir, and eat with coffee—essential etiquette for enjoying coffee in Western settings.
How to Brew Filter Coffee with Pour-Over Method
Learn how to control water flow, bloom time, and pouring technique for balanced pour-over coffee with these essential steps.
Moka Pot vs Siphon vs Drip: How Three Coffee Methods Differ
Find out how moka pots, siphon brewers, and drip methods differ in flavor, technique, and best use cases for brewing coffee at home.
How to Clean and Maintain Your Coffee Machine Daily
Keep your coffee machine in top shape with regular cleaning and care: clean the water tank twice monthly, wipe the drip tray daily, and descale as needed.
How to Brew Coffee with a French Press: Step-by-Step Guide
Learn the exact steps, grind size, water temp, and timing to brew great coffee with a French press. Includes tips to avoid sediment.