how fresh are the beans? do they have a roast date?
12-bar is quite high for espresso.. however workable. Try to keep your dose and tamp consistent and then adjust on the grinder for change. Try grinding a little courser, with a little lesser dose, and a firmer tamp. If you are getting lots of grinds in the cup, and the basket it sludgy its probably too fine.
keep at it, practice !
12-bar is quite high for espresso.. however workable. Try to keep your dose and tamp consistent and then adjust on the grinder for change. Try grinding a little courser, with a little lesser dose, and a firmer tamp. If you are getting lots of grinds in the cup, and the basket it sludgy its probably too fine.
keep at it, practice !

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