Question about Rancilio Silvia Espresso Machine
I have used different grinds (fine,extra fine) but sill unable to produce a good crema surface on the coffee. Is this the problem? or is it something else?
It could be. Your grind should determine the amount of time that it takes the shot to pour. Standard is 18 - 30 seconds. I prefer 25. If it only takes 10 sec, your crema will be weak.
Are your beans fresh? Older beans produce less crema. By old, I mean more than a month if properly stored.
What is the temperature of you shots? The water coming out of the head should be about 195 F which makes the shots roughly 170-185. If it's too cold, you'll get worse crema. It's also possible to have mostly steam in contact with the grounds which will give the same results. Both indicate other problems.
Make sure your group head screen isn't clogged. And make sure everything is very clean, especially inside the handle (under the grounds basket - just pop it out with a screwdriver). Good luck!
Posted on Jan 08, 2008
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