alt Hacker NewsThey failed to mention the important point, that you have to be able to reduce the pressure to increase the grind size. I am convinced the best espresso you can make is at 6 bar, since you can grind the coarsest possible. It comes out sweeter and richer at the same time.
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roflyear • today at 2:23 PM
Well, pressure builds when the coffee bed restricts the flow of water. So if you don't have much restriction (really coarse grind) you're not going to build pressure :) so you don't have to actually change any settings to get a reduced pressure at the puck.
But I also do enjoy ~6bar shots using a traditional lever style machine.
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Some people go all the way down to 1 or 2 bars (soup espresso). I've mostly seen it in the context of very light roasts and I tend to buy darker roasts so I really haven't spent much time investigating it.
I did see a video on americano's recently where steaming the water to heat it rather than using a kettle or water from the espresso machine's boiler made a better drink. That does intrigue me and I'll probably give it a try this weekend.
Lately I've been making mostly decaf and it's really hard to get a good shot no matter what I try. Drip coffee comes out great, but my decaf espresso always seems to have a real harshness. Beans are fresh and my water is good, so I'm thinking it's time to replace the burrs in my grinder.