Better coffee at home, with the work shown
Your brewer
Your mug
The Brew Guide sizes one V60 brew up to 12 oz.
- Coffee
- 25.3g
- Water
- 406g
- Water temp
- 201°F
1:16 is the Brew Guide's classic strength for the V60, and the Guide times every pour.
Brew it step by step →Tools that draw what they calculate, guides that show their sources, and a small gallery of where coffee grows, how it's brewed and how it tastes.
Start here
One guide for each everyday job
From the channel
Where the site began
JayArr Coffee started as a YouTube channel in 2019: reviews, side-by-side comparisons and brewing technique. The videos still sit inside the guides they belong to.
Watch: how to grind for every brewer. Or let the Grind Guide work out your setting.
Deep Brew
The science section
For when you want the measurements: mixing brewing water to a recipe, reading extraction from a refractometer, and setting your own grinder, with ten long-form research articles behind them.
Latest
New and updated articles
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- Juan Valdez and the FNC: How Colombia Branded Its Coffee (1927–2026)
- Stumptown vs Blue Bottle: Two Third-Wave Originals Compared
- The Brazilian Coffee Kingdom: 1727–1945 History Explained
- What Is a Macchiato? Espresso, Latte and Caramel Macchiatos
- Cold Brew Concentrate: Ratios, Steep Time, and Dilution