Unpressurised creme. Locally roasted Black Panther blend of various countries. Tastes slightly sour but watery and slight bitter. This is 40 g, but should stop at 20 g, and 25 s to reduce watery and bitterness. Just use 2-cup setting to the end. Measured after completion. No time to stop because of filming. Very wide changes but consistent with 10 g beans, 3 times water sprayed. Should be 0.5 g retention, but output is 10 g because of previous grind. A video of the bottomless portafilter using single cup unpressurised basket. As expected from investigation of coffee residue, there is no channelling. Most probably due to the puck screen. https://shp.ee/cy4p5mg Mine was specified as 51 mm, 1.7 mm. Another important function of the puck screen is to clean the shower head of the Espresso machine. Cheaper but less effective is to use a paper coffee filter which can be used for all types of brewing coffee e.g. Moka Cup and even French Press. Should be useful for Minipresso or other por...