Bruer™ Paper Filters AeroPress Filter Paper - 350 Pack

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The popular ratios for espresso is 1:2 (1 gram of coffee to every 2 grams of water).

Coffee	Extraction	Time	Temp
18.5g	37g	30"	92°C

For filter is 1:17 (1 gram of coffee to every 17 grams of water).

Coffee	15g	30g	60g
Water	250ml	500ml	1000ml

There is no such thing as a "Golden" ratio, but well-balanced cups of coffee are consistently brewed around a certain ratio. This is a good place to start, if you like stronger taste, you might use a 1:14 ratio. If you like a normal taste, you might pour 1:16 or 1:17. You can slightly turning your settings to match your taste and brewing methods. For other brewing methods, check out our Brewing Guides and Tips.