Coffee Technology
Latest articles, industry insights and brewing guides
How to Store Coffee Beans and Ground Coffee Properly
Learn how long roasted coffee beans and ground coffee last, and the best ways to store them to preserve freshness and aroma.
How to Cup Specialty Coffee in 6 Steps
Learn the 6-step coffee cupping process used by professionals to evaluate aroma, flavor, body, and aftertaste of specialty coffee.
How to Cup Specialty Coffee Beans Scoring 90+ Points
Learn how NinetyPlus produces cupping scores over 90, what makes these coffees elite, and how their grading and processing work.
Coffee Tasting Basics: What Makes Specialty Coffee Good?
Learn what defines quality coffee: origin, freshness, and roast. Discover how regional flavors shape your cup and why assumptions hurt the coffee scene.
How to Brew the Perfect Black Coffee at Home
Learn the essential techniques, ratios, and tools to make a great cup of black coffee, from espresso to pour-over, with expert tips.
How Grind Size Affects Your Coffee Extraction
The right coffee grind size ensures balanced extraction—too fine or too coarse ruins flavor. Here’s how to get it just right.
Anatomy of a Coffee Cherry: What’s Inside?
Ever wondered what’s inside a coffee cherry? Here’s a detailed look at the layers and parts of a coffee fruit with an annotated diagram.
How to Describe Coffee Roast Levels Visually
Learn how to identify and describe coffee roast levels with a clear visual guide, including light, medium, and dark roast characteristics.
How Ideal Espresso Extraction Works Step by Step
Learn the full espresso extraction process: timing, flow, color changes, and ideal parameters for balanced shots.
Why Your Siphon Coffee Fails — And How to Fix It
Common siphon brewing failures stem from heat control, grind size, or timing. Here’s how to get consistent extractions every time.
How to Drink Espresso the Right Way
Good and bad espressos should be sipped differently—if it’s too harsh, it’s okay to pour it out. Here’s how to handle it.
How to Fix Sediment in French Press Coffee
Learn how to reduce coffee grounds in your French press with grind size, brew time, and pouring technique — tested by specialty roasters.
How to Make Iced Coffee with Frozen Coffee Cubes
Freeze brewed black coffee into ice cubes and pour over chilled milk for a refreshing, slow-melting iced coffee alternative.
How to Fix Blocked Coffee Roaster Exhaust Pipes
Blocked roaster vents ruin your roast profiles. Here’s how to spot, clear, and prevent pipe blockages in professional coffee roasting setups.
How to Pour Latte Art: Key Free Pour Techniques
Master latte art free pouring with three key factors: speed, distance, and location. Learn how to pour better milk art with consistent practice.
How to Roast Coffee Beans at Home: 4 DIY Methods
Learn how to roast green coffee beans at home using four simple methods, from a pan to a popcorn tin, with timing and roast levels explained.
How to Make a Great Espresso: Key Factors Explained
Learn the 13 essential factors that affect espresso quality—from fresh beans and grind size to water pressure and extraction time.
How to Grind Specialty Coffee Beans the Right Way
Learn the 4 key rules for grinding specialty coffee beans: uniformity, minimal heat, no fines, and matching grind size to your brew method.
Best Water Temperature for Paper Drip Coffee Brewing
Find the ideal water temperature range for balanced pour-over coffee, and how roast level and bean freshness affect your brew.
How to Use a Gooseneck Kettle for Better Pour-Over Coffee
Learn the key techniques for using a gooseneck kettle to control water flow, avoid air bubbles, and improve your pour-over bloom and extraction.