Adjust the coffee grind, make espresso and find the perfect shot. Under-brewed coffee, over-brewe...

Understanding Coffee Easily Use 3 Principles Over-Extract What Happens 👉🏻 Slow Flow Solution: Adjust the grind size to a coarse size. Taste 👉🏻 Bitter, astringent, burnt aroma, dark brown crema in patches. Under-Extract What Happens 👉🏻 Fast Flow Solution: Adjust the grind size to a finer size. Taste 👉🏻 Sour, less body, light yellow crema. The coffee flows in the desired balance. Then, there's no need to adjust the grind size. Focus on preparing the brewing rod: Flattening the coffee: Tamping the coffee: Dose: The amount of ground coffee extracted. Time: Brewing time. Yield: Extracted coffee. You can keep track of these three factors. You can adjust each factor individually if problems arise. The extracted coffee, when measured, TDS: 9-10% EXT: 18-20% for espresso.    • TDS คือ EXT คือ กาแฟชงกี่เปอร์เซ็น ถึงอร่อ...   But this is just a guideline. Because ultimately, it's the drinker who gets to experience it. How to observe and taste to improve and evaluate your coffee brewing What to look for: 1. Coffee color: consistency of crema, brown color 2. Aroma: such as coffee notes, caramel, chocolate, etc. Unpleasant aromas such as straw, smoke, rancidity, and green odors 3. Coffee flavor: sourness, sweetness, and bitterness Adjust grind size in the morning and afternoon. If you can understand the coffee by making a preliminary assessment, then you won't need a formula for finding the perfect shot. 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