The tools and machines used in making espresso are of great significance. The semi-automatic machine is the one most frequently used in bars and cafés and the easiest one to get really good results with at home, so it is a good investment. The piston machine might give even better results, but only if you are a real enthusiast as it requires much more work. Pod machines and automatic machines are very easy to use, but will never make really impressive espressos.
A good grinder is almost as important as the espresso machine. Achieving the right grinding degree is essential for the outcome of the espresso; too coarsely ground coffee gives watery espresso and too fine makes it bitter. You should get a grinder with a good reputation, and that has different degrees of grinding so that you can try your way to find the best degree for your machine. Don´t be stingy when buying a grinder if your espresso is important to you.
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