"Strong coffee doesn't equal a dark roast, merely a greater concentration of grounds to water. Also, dark roast has more caffeine by weight because it looses more water during the roasting process. However, since the beans expand it has less caffeine by volume. Since most people measure their coffee with a scoop instead of by weight lighter roasts do have more caffeine in the cup. Simple put the amount of caffeine lost in the roasting process is very minimal." Will Rhoads
Someone said this on FB and I was just looking to evaluate and correct if needed.
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