Coffee Grounds at bottom of the cup?
Is it possible these are coffee ‘fines’, rather than grounds?
It’s difficult to see how espresso grounds can get through a new, undamaged basket.
I suppose with enough pressure anything is possible though, what pressure you brewing at?
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I am having the same issue with a friend's Faema e98! Grinds are ending up in the cup! They are distinct individual grinds. The group seal is brand new, we have changed the basket to a new one, and i have ensured that there are no grinds on the spout and that there is no leak around the basket/group seal. My suspicion is a wide variation in grind size from a poorly aligned grinder. I will dismantle and reassemble and try the whiteboard marker and audio recording methods of checking the alignment. I am also suprised that grinds can get through the bottom of the basket, but at this stage there is really no other path for them. It makes sense though that if the grinds are widely varying in size, then in order to slow down the shot, the grind setting must be adjusted finer than usual. We shall see, hopefully this weekend. I am going to test his machine with my pesado (IMS) baskets to reduce the potential for variation in hole size.
Its ironic that its the same machine. And my name is also Adam. Freaky
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Adam hasn't posted in almost 4yrs...though he still is alive and visited the other day.
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Hi Adam,
Perhaps you can try tightening the portafilter a bit harder?
Also are the grinds in the bottom of the cup sludgy or distinct individual coffee grounds?
Mike
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Hi Rawill,
That could be overdosing or your grind is to fine. You know if its over dosing because you will see the imprint of a ring shape in your puck afetr you pull the shot. If this happens reduce your dose slightly until you can't see the ring imprint. If it still chokes up after this your gring will need to be slightly coarser most likely.
Let me know how you go?
Mike K
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Is a Krups 51 mm double shot basket lower quality. I ask as I have a similar issue, fines in the cup, with this basket.
And I have created another issue for myself, with a different single walled basket, the pour starts, then chokes up as the pressure comes on.
Is this the result of overdosing?
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Coffee Grounds at bottom of the cup?
And he is using a Fema.Originally posted by Melbroaster View PostI have seen this from lower quality baskets with too fine a grind....
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I disagree.
It can be clearly seen from the photos that the operator was using a significant under-dose. If the operator then ground the coffee much finer than normal, in order to slow down the rate of pour, as a result of having used such a significant under dose, and some fines made their way through, I fail to see that as having anything to do with the "basket" or its perceived "quality".
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I have seen this from lower quality baskets with too fine a grind....
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I played around with the grind and dose last night and I noticed an improvement. There were still some ground in the cup.
So with some trial and error, adjusting the dose and making the grind coarser I should be able to get it right.
I may be doing something wrong, but i noticed it is a fine line between getting the dose right and not being able to get the portafilter on because there is too much coffee in it.
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Not enough coffee in the filter, and resulting grind too fine if you are attempting to obtain an espresso pour in the "spec" time. You should not be able to see the circlip groove. Correct tamped dose will be at a point where you are at the top of the groove. Forget weighing the dose as you can see it has resulted in you underdosing severely for the actualy size of the filter in use. Dose volumetrically as per at the top of the groove (when I dose I cannot see the groove. Ofcourse, the coarser the grind, the bigger (volumetrically) the tamped dose becomes. Always dose (tamped) to the top of the goove and that will assist you to find the correkett grind for the dose.
ie, always work backwards from the correct tamped dose, to get the right grind that suits the dose (and type of coffee being used).
Do this, and the character (and appearance) of your brew will improve out of sight (to the point where you would think you have changed beans to a completeley different blend....even though you havent).
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After I had cleaned everything last night, I was certain that the problem would go away.
Since some in this thread suggested that it could be due to over dosing, I measured out 14g of coffee and then ground it.
Thinking my grind was too fine, I adjusted my grinder for a slightly slightly coarser grind. I pulled the shot and after all of this, I still found some grinds at the bottom of the cup. I did have a very wet puck though and I am not sure what that means exactly, but could it have contributed to the problem?
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Thanks for that. It wont happen with the kind of equipment in use by the topic author. Over the top or through a damaged filter, but not through the holes in un undamaged filter.
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Breville BES820 Espresso machine, using Krups 51mm single wall basket.
Sunbeam EM480 grinder.
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I stripped the machine replaced the seal and the shower screen.
Also took the cover that sits over the group head and that the portafilter locks into and you were correct it was very dirty.
I soaked it in some cafetto and then scrubbed off any remaining grinds with my group head brush.
It is all clean now I will pull a shot and see how it goes.
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