Bitter espresso: what it's telling you, and the order to fix it
Bitter espresso has two causes, and only one of them is your grinder. Clean the machine first, then grind coarser,...
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Read NowSour espresso: what it's telling you, and the order to fix it
Sour espresso is under-extraction. The fix order that wastes the least coffee: grind finer, lengthen the ratio, raise the temperature,...
