Why Is the Coffee Crema Less Rich When Using a Bottomless Portafilter?
any coffee enthusiasts switch to a bottomless portafilter (naked portafilter) to achieve a more professional extraction and visual experience. However, after using a bottomless portafilter, many people notice a significant reduction in coffee crema and even experience unstable extraction. This phenomenon is influenced by multiple factors, including basket design, technique, and equipment compatibility. This article will analyze the reasons behind the reduced crema and provide targeted solutions.