Misconception of Caffeine and Different Roasts

There is a general misconception that lesser quantity of caffeine is found in dark roast coffee. This is actually generated through home dosing which is volumetric driven vs. weight driven. In equal volume you’ll be able to dose a much larger amount of light roast coffee hence a lot more weight and caffeine. In dark roast coffee, the beans tend to “puff up” a lot more and respectively take up to 25-50% more volume.

Therefore using this example, in the same size volumetric doser you’ll fit less weight of dark roast coffee ergo less caffeine.