Brew Guide
Pour-over calculator and guided brew timer.
15 : 1 Coffee : Water
12:1 stronger18:1 lighter
I know my…
20g
10g single cup40g large batch
Your Brew
Coffee
20g
Water
300g
Water
10.1 fl oz
Water
300 ml
Bloom
40g
Rinse
50g
discardPour Breakdown
50g
40g
104g
91g
65g
Rinse50gdiscard
Bloom40g
Pour 1104g
Pour 291g
Pour 365g
Bloom water is 2× coffee weight — saturates grounds and lets CO₂ escape before the main pour.
Rinse water removes paper taste and pre-heats your vessel — always discard before adding grounds.
A vigorous bloom = fresh beans. Roasted within the last 2–4 weeks is the sweet spot.
Brew Session
Roast
202°F / 94°C
Medium — Like rough sand
Hand grinders: err coarser. Adjust finer next brew if needed — never the other way first.
Before you brew
✓Heat water to 202°F / 94°C
✓Rinse filter with 50g hot water — discard the rinse
✓Add 20g coffee, medium grind
✓Tare your scale to zero