General Brewing Guidelines

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• Total Brew Time: Aim for under 2:30.
• Water Temperature: Higher temperatures extract flavors more easily but can also lead to sourness or bitterness.
• Preparation: Preheat the filter paper, server, and cup with hot water to avoid a rapid drop in temperature when brewing.

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AIM’s Pour-Over Recommendations

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1. Light and Smooth Flavor:
   • Coffee: 16g
   • Water Temperature: 93°C
   • Total Water: 200ml
2. Rich and Full-Bodied Flavor:
   • Coffee: 27g
   • Water Temperature: 96°C
   • Total Water: 300ml

Adjustments for Flavor Balance:

• If too sour:
  • Increase the total extraction time.
  • Use a slower-draining dripper.
  • Grind finer (ideal for light-roast beans).
  • Lower the water temperature.
• If too bitter:
  • Decrease the total extraction time.
  • Use a faster-draining dripper.
  • Grind coarser.

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Choosing the Right Dripper

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Based on Volume

• Size Options:
  • 01 (1-2 servings)
  • 02 (3-4 servings) – Recommended for versatility, as it suits both small and large brews (1-4 cups).
• For single servings exceeding 250ml, opt for size 02.
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Based on Shape

1. Cone-shaped Drippers:
   • Standard and highly recommended for versatile flavor profiles.
2. Trapezoid Drippers:
   • Slower flow rate; suitable for those who enjoy a rich, full-bodied taste but may over-extract and taste bitter for beginners.
3. Wavy Drippers:
   • Easy to achieve balanced and smooth coffee. Ideal for beginners. For more complex and layered flavors, explore other shapes.

Based on Material

• Ceramic Drippers: Generally recommended for balanced brewing.
• Resin Drippers: Affordable and good for those who prefer less acidity and more sweetness.
• Metal Drippers: Avoid the hassle of changing filters but may allow fine grounds into the brew.
• Glass Drippers: Cool quickly but offer a sweeter flavor profile. Suitable for those who don’t mind lower coffee temperatures.

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