Coffee and Espresso Makers
Problem for Coffee and Espresso Makers
Generic problem for all Coffee and Espresso Makers

Increasing water flow rate




By NigelB37 on Sep 13, 2008

" "
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.

Best Solution

posted on Sep 16, 2008
Helpful)

KIRO07

Rank: Apprentice 
Rating: 85%, 2 votes
YOU CAN LOWERET PRESSURE ON THE WATERPOMP.


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