-
Espresso vs Drip Coffee - Which Has More Caffeine?
Gram for gram, espresso has about 5 times more caffeine, but one cup of drip usually has more than one shot. Calculated from USDA data.
-
What Water Temperature Is Best for Hand Drip?
Start hand drip at about 93°C, within a 90-96°C range. Learn how to cool boiled water and adjust the temperature by taste.
-
How Should Grind Size Change With the Brewing Method?
The longer the brew, the coarser the grind. Starting points for espresso, pour-over, French press and cold brew, and how to adjust by taste.
-
Sour or Bitter Coffee - What Should You Change First?
Sour often means under-extracted, bitter over-extracted. Change grind, time and temperature one at a time, in this order.
-
Americano vs Long Black - What Is the Difference?
An Americano adds water to espresso; a long black pours espresso over water. See how the order changes crema and taste.
-
How Much Caffeine a Day Is Recommended for Coffee?
Korea's MFDS daily caffeine maximum is 400 mg for adults, 300 mg for pregnant women and 2.5 mg per kg of body weight for children and teens.
-
How Long Do Coffee Beans Last? How to Store Them
Opened coffee beans last 1-3 weeks at room temperature if kept airtight, dark and cool. Storage tips for ground coffee, fridge and freezer.
-
What Is the Difference Between Cold Brew and Iced Coffee?
Cold brew is steeped in cool or room-temperature water, while iced coffee is brewed hot and then chilled. Method, taste and ratio explained.
-
Hand Drip Coffee Ratio: 1:15 to 1:17 to Start at Home
Start hand drip at 1:15 to 1:17 coffee to water. See the SCA 55 g/L guideline and how to adjust the ratio by taste, step by step.