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Coffee ad Astra
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How a Paper Filter Below an Espresso Puck Affects Hydraulic Resistance – Coffee ad Astra
https://coffeeadastra.com/2021/04/04/how-a-paper-filter-below-an-espresso-puck-affects-hydraulic-resistance/
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In one of my latest posts, I investigated the effect of puck preparation, and in particular the addition of a dry paper filter above the espresso puck, affects the hydraulic resistance of the syste…
