How do I adjust the machine to increase the water flow rate to the coffee basket? I have a La San Marco 2 group head manual. My water flows at about 250ml in 7 seconds. Far too fast meaning that I am compensating to get my 60ml in 25 second shot by grinding very fine. The water pressure is set at 9 bars. How to I lower the water flow rate?
Comments:
Sep 17, 2008
- If I lower the pressure, won't it effect the coffee extraction? I have read that lower than 9 bars will lead to underextraction of the coffee.
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