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Japanese Siphon

Japanese Siphon Traditional

High Extraction — Turkish-Fine

by Jonathan Gagné

Ultra-fine grind siphon recipe by Jonathan Gagne (Coffee ad Astra). Extremely fine grind yields 23-24% extraction with a short steep time.

1:16.7 Ratio
2:30 Total
24g Dose
94°C Temp

Parameters

24 g
Coffee
400 g
Water
1:16.7
Ratio
94 °C
Temp
1 extra fine
Grind
2:30
Total
2
Servings
Grind · 1/10 · extra fine
FINE COARSE

Method

2:30 · total
  1. Pour 1 / 5
    0:00

    To

    400g

    +400g add
    20s Slow

    Heat 400g of water in lower chamber to 99°C. Seal upper chamber. Wait for water to rise. Temperature in upper chamber stabilizes around 94°C.

  2. Swirl 2 / 5
    0:20

    Lower heat to two-thirds. Add 24g of extra-fine coffee. Stir vigorously for 15 seconds, then give one rotation.

  3. Wait 3 / 5
    0:35

    Rest for 20 seconds. At 0:35, remove from heat immediately. Give a gentle circular stir to induce drawdown.

  4. Wait 4 / 5
    1:30

    Vacuum pulls brewed coffee through the filter into the lower chamber. Inspect the coffee bed — it should be flat and uniform.

  5. Done 5 / 5
    2:30

    Drawdown complete. The result is an intense, full-bodied cup with very high extraction yield.

Notes

Source: Jonathan Gagne, Coffee ad Astra (coffeeadastra.com). Grind as fine as Turkish coffee — the grounds should feel like flour and form clumps. This method achieves very high extraction (23-24%) in under a minute of steep time. Requires precise temperature control and vigorous stirring.

Original source

Recipe by Jonathan Gagné, published at coffeeadastra.com.

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Pour

0:00

400g

20s
Pour · 1/5 0:00
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