Coffee Made Clear

Education

Coffee Guides

Practical, research-based guides organized by the job you are trying to do.

Start with the Fundamentals

A burr grinder beside freshly ground coffee on a light surface
Grind SizeCoffee Grind Size Chart: 8 Common Brew MethodsA practical grind-size starting chart for eight common brew methods, plus a one-change method for dialing in without copying arbitrary grinder numbers.Read the guide
A pour-over brewer resting on a digital coffee scale
Brewing FundamentalsCoffee-to-Water Ratio GuideUnderstand coffee-to-water ratios by mass, start around a practical filter-coffee neighborhood, and scale or adjust the recipe one step at a time.Read the guide
Coffee drawing down through a paper filter
Coffee ScienceCoffee Extraction Explained Without the JargonCoffee extraction explained in plain language: extraction yield, brew strength, brewing levers, and how to change one variable at a time.Read the guide
A kettle pouring water into a coffee dripper
Coffee ScienceCoffee Water Explained: Quality and TemperatureLearn how minerals, hardness, alkalinity, and temperature affect coffee—and use a controlled water comparison instead of chasing one perfect number.Read the guide

Fix Common Problems

A pour-over coffee finishing by a window in a calm home setting
TroubleshootingWhy Does My Coffee Taste Sour?Learn why coffee can taste sour, how low extraction fits into the picture, and what to change first without treating sourness as a one-cause diagnosis.Read the guide
Dark brewed coffee in a clear vessel beside roasted beans
TroubleshootingWhy Does My Coffee Taste Bitter?A controlled troubleshooting guide for bitter coffee that separates concentration, extraction, temperature, roast, and other possible causes.Read the guide

Brew Better Coffee

An automatic drip coffee maker brewing into a glass carafe in a warm home kitchen
BrewingHow to Make Better Drip Coffee at HomeA practical system for making better automatic drip coffee by locking a baseline, tasting the result, and changing one brewing variable at a time.Read the guide
A controlled kettle pour over a seated coffee filter and dripper
BrewingHow to Make Pour-Over Coffee: A Simple Beginner MethodA simple beginner pour-over method built around a repeatable 20 g coffee to 320 g water baseline and one-change troubleshooting.Read the guide
A hand slowly pressing the plunger on a French press
BrewingHow to Make French Press Coffee: A Simple Beginner MethodA simple beginner French press method built around a 20 g coffee to 300 g water baseline, medium-coarse grind, and about 6½ minutes to plunge.Read the guide

Choose and Use Beans

BeansHow to Store Coffee Beans at HomeA practical coffee-storage system focused on limiting air, heat, and moisture, keeping beans whole, and freezing extras when appropriate.Read the guide
Whole roasted coffee beans in a plain unbranded bag
BeansHow to Choose Coffee Beans for Home BrewingChoose coffee beans by roast, flavor clues, origin and process, format, and freshness without turning any one label into a quality ranking.Read the guide