In heat-exchange and multi boiler espresso machines, it generally takes at least 30 minutes for the machine to be fully warmed up so that the boilers, all piping and tubing, and the group head reach a temperature that would produce consistent and excellent espresso.
Do coffee scales matter? Simply put, YES! Using a scale improves the flavor of your coffee. When you're able to better evaluate your taste, you can tweak your brew technique, brew time, and coffee-to-water ratio in pursuit of earn more about why scales matter when brewing.
The E65S GbW is the next espresso grinding revolution. It is one of the first espresso grinders to feature Grind-by-Weight technology for real-time scale controlled dosing. Additionally, the E65S GbW features Mahlkonig’s pioneering patented Disc Distance Detection that lets you set the degree of fineness based on the actual distance between the burrs.
Voltage Coffee Supply recommends caution when using sodium and hydrogen based ion exchange water softeners. Suggested pressure and flow rate from water mains: 45 to 80 psi (3 or 5 bar) and 8 liter per minute.