Home Coffee Journal

Better coffee from your own kitchen — precise, beginner-friendly brewing guides.

Tag: extraction yield

Beans

How to Use a Refractometer for Pour-Over Coffee: A Home Workflow

You brewed the same recipe three days in a row and got three different cups. A refractometer is how you stop guessing. It turns “this tastes thin” into a number you can chase. This…

By Maya Brewer · · 4 min read  ·  Read the guide →
Beans

TDS and Extraction Yield for Pour-Over: What 18–22% Actually Means

You followed the recipe. 15 grams of coffee, 250 grams of water, medium grind, three-minute brew. It still tastes thin and sour — or harsh and drying. So what went wrong? The answer almost…

By Maya Brewer · · 4 min read  ·  Read the guide →