Pour-over

Chemex

Name: Chemex, after Blue Bottle · adapted by Bunchum
Yield: 700 g
Ingredients: 50 g coffee; 700 g water

after Blue Bottle · adapted by Bunchum

Coffee : water

1:14

50 to 700 gBloom and 3 pours, done around 4:00.

What it brings out

Intensity ours

Brewsign in to brew it

Roast

Light
Medium
Dark

Light to medium. Our reading; the source names no roast.

Provenance

Blue Bottle's Chemex: a stronger cup in four pours, hot water, about four minutes.

Source

Blue Bottle Coffee: Chemex brew guide (opens in a new tab)archived copy, 2025-07-19

Tips draw on (8)

What we changed: Temperature: middle of the 205 to 210 °F range, our choice.

Values per Blue Bottle, unless marked "ours".

Recipes credited to people or brands are our retelling of what they published. Bunchum is not affiliated with them, and they have not reviewed or endorsed this app. Names and trademarks belong to their owners.

Steps

before
Rinse the filter
Put the three-layer side of the filter towards the spout, rinse it and pour the rinse water away. Add the coffee.
0:00 to 0:45
Bloom100 g
Pour about 100 g from the centre out and back in, until all the grounds are wet.
0:45 to 1:50
Pour 1to 300 g
At 0:45, pour to 300 g and let it filter almost through.
1:50 to 3:10
Pour 2to 500 g
At 1:50, pour to 500 g and pause again.
after
Pour 3to 700 g
At 3:10, pour to 700 g.
around 4:00
Drawdown
Let it drip through, about 4:00.

The times are for this amount.Adapt as a copy

Four sides of the cup

Intensity: A concentrated, intense cup. Our reading: Less water per gram of coffee makes a more concentrated cup.

Our tips

For your next brew: try it and taste.

Grind

Medium-coarse

Slightly finer than for French press, like sea salt

Sour or thin: grind a little finer. Bitter or drying: a little coarser.
moves extraction

Coffee : water

More water per gram tastes lighter and clearer; less tastes more intense.
moves strength

Water

97 °C ours

Hotter water extracts more: stay hot for light roasts, go cooler for darker ones.
moves extraction

MAKE IT YOURS

Brew this at your batch size.

Save recipes
Track every brew
Scale to any batch

Pour-over

Chemex

after Blue Bottle · adapted by Bunchum

Coffee : water

1:14

50 to 700 gBloom and 3 pours, done around 4:00.

What it brings out

Intensity ours

Brewsign in to brew it

Roast

Light
Medium
Dark

Light to medium. Our reading; the source names no roast.

Provenance

Blue Bottle's Chemex: a stronger cup in four pours, hot water, about four minutes.

Source

Blue Bottle Coffee: Chemex brew guide (opens in a new tab)archived copy, 2025-07-19

Tips draw on (8)

What we changed: Temperature: middle of the 205 to 210 °F range, our choice.

Values per Blue Bottle, unless marked "ours".

Steps

before
Rinse the filter
Put the three-layer side of the filter towards the spout, rinse it and pour the rinse water away. Add the coffee.
0:00 to 0:45
Bloom100 g
Pour about 100 g from the centre out and back in, until all the grounds are wet.
0:45 to 1:50
Pour 1to 300 g
At 0:45, pour to 300 g and let it filter almost through.
1:50 to 3:10
Pour 2to 500 g
At 1:50, pour to 500 g and pause again.
after
Pour 3to 700 g
At 3:10, pour to 700 g.
around 4:00
Drawdown
Let it drip through, about 4:00.

The times are for this amount.Adapt as a copy

Four sides of the cup

Intensity: A concentrated, intense cup. Our reading: Less water per gram of coffee makes a more concentrated cup.

Our tips

For your next brew: try it and taste.

Grind

Medium-coarse

Slightly finer than for French press, like sea salt

Sour or thin: grind a little finer. Bitter or drying: a little coarser.
moves extraction

Coffee : water

More water per gram tastes lighter and clearer; less tastes more intense.
moves strength

Water

97 °C ours

Hotter water extracts more: stay hot for light roasts, go cooler for darker ones.
moves extraction

MAKE IT YOURS

Brew this at your batch size.

Save recipes
Track every brew
Scale to any batch

Chemex, after Blue Bottle · adapted by Bunchum: 1:14 · Bunchum