Espresso and Lungo are the two main coffee extraction sizes used with the Original system.
An Ristretto/Espresso is a 25/40 mL shot of coffee (small cup button) and contains coffee of a finer grind.
A Lungo is a 110 mL shot of coffee (the large cup button). The Lungo capsules contain coffee of a coarser grind.
Extracting at the recommended level prevents over-extraction. Each Nespresso capsule is created to be extracted at a certain level. Past that, it will stop producing flavour and start to burn – meaning your coffee will taste bitter.
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