Brew hot coffee directly onto ice for instant chilling and superior flavor. Find the perfect balance of hot water and ice to hit your target ratio without watering it down.
Input Parameters
Brew Goal
The final volume of drinkable coffee you want.
g
Standard 1:15 to 1:17 works well.
1:
Ice Ratio
40%
40% is the gold standard for flash brew—it chills the coffee instantly without leaving excess un-melted ice.
Results
Coffee Dose
18.8g
180g Hot Water Weight
Ice Weight: 120g
Place this ice in the server before you start the brew.
Flash brew (or Japanese-style iced coffee) is coffee brewed hot directly onto ice. The rapid chilling locks in the vibrant acidity and aromatics that are often lost in slow-cooled or cold-brewed coffee.
Results
Coffee Dose
18.8g
180g Hot Water Weight
Ice Weight: 120g
Place this ice in the server before you start the brew.