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BREW DECISION ENGINE / 02

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better.

Build a recipe from what you have—or diagnose the cup you just made. One clear recommendation, then one useful change.

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Hario Switch — Gentle Dark Roast

Hario Switch

Original measurements and instructions. This recipe has not been recalculated.

Coffee
19 g
Water
300 g
Temperature
89°C
Total time
3 min 15 s

Grind: Medium

Bloom with the valve open, close it for the main steep, stir once and release without additional agitation. Lower heat and shorter contact protect body and sweetness without pushing roast flavor into dryness. Starting point: 19 g coffee, 300 g water at 89°C, with a target time of 3:15.

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HOW TO USE THE RESULT

01

Start exact.

Weigh coffee and water. Match temperature and time before changing the recipe.

02

Taste cooler.

Wait sixty seconds after brewing. Sweetness and defects are easier to read below serving temperature.

03

Change one thing.

Adjust grind first. Keep dose, water and technique fixed so the next cup teaches you something.