meanwhile

We have been using our San Marco Leva (three group espresso machine in the background) a ton lately.

Dosing coffee below the rim of the portafilter basket appears a must. We appear to be dosing 14.5 grams into the basket for a double espresso. On average we produce ristricted shots at 1.25 oz in volume, where a classic double is 2 oz.

8 seconds for the cavity above puck to fill. 5 seconds for water to travel through the puck. 14 seconds coffee is visible at the spouts, and we release the lever. We are pulling shots at 26 seconds from when the water starts. Incoming line pressure is 45 psi before entering the machine.

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