Perfection, at least to Americans, is a coffee that falls in the range of 18 to 22 percent Extraction with a brew strength between 1.15 and 1.35 percent Total Dissolved Solids. Confused by the jargon?

In other words, the strength of coffee depends on how much water you use and how well you’re able to extract the coffee depending on the brewing method you go with. 4 ways to make coffee ...