Dose What Is It: This is how much coffee grounds you put into the portafilter. This is traditionally weighed in grams. A single espresso shot typically ranges between 7-9 grams traditionally, but modern espresso uses a double dose in drinks and includes a dose of around 16-18 grams. Keep in mind, the dose can go higher, up to 21 or more, depending on the personal preference of the espresso drinker. When To Adjust: Increasing the dose can allow you to grind coarser, which ca

Coffee type Arabica: Lighter, fruity, sweeter, notes of chocolate. Robusta: Stronger, more caffeine, robust, full-bodied. Less sweet. Roast Level Light Tends to be more acidic, no bitterness, fruity and less forgiving of technique Medium Tends to be more balanced with bitter and acid Dark Tends to be more bitter, low acid, and more forgiving of technique Age of Beans and Resting Fresher beans produce more crema More CO2 is still trapped from roasting process Resting beans all