Questions tagged [espresso-machine]

Everything about the equipment necessary to produce espresso out of ground coffee.

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3answers
626 views

Espresso machine fish tank smell

I just purchased a used Expobar Office Pulser it came with a very strong smell fish tank or algae smell. What does that mean and how do I get rid of the smell? The water passes through the machine ...
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0answers
64 views

Why does my steam-pressure based Espresso machine not push water through the group head?

I have A DeLonghi BCO100IU espresso machine, but when I turn it on for espresso, even with a full boiler, no water comes out of the group head. I am certain this machine works on steam pressure, ...
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2answers
1k views

What effect does portafilter diameter have on espresso?

It seems like a lot of the higher end espresso machines come with a 58mm portafilter. Does this larger diameter have some improved effect on the resulting espresso?
4
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4answers
12k views

What can I use to clean my machine as a substitute for original cleaners?

I have access to an automatic bean-to-cup Siemens coffee maker. It has periodic cleaning programs of its own and also its own cleaning materials. Recently, we have difficulties finding these cleaning ...
3
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3answers
188 views

What acids are there in coffee?

I don't know what acids extract with what temperature. For example, in 93 °C what acids hurt and what acids extract. I want to know for better flavor and less bitterness in my espresso, what can I do?
2
votes
1answer
309 views

thread locker / sealant for espresso machine maintenance

I have started disassembling my Nuova Simonelli Oscar, for descaling and fixing purposes, I have checked all the electrical section and I am about to start with the hydraulics. I have seen that all ...
3
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3answers
1k views

Coffee machine repair

I own a Delonghi Magnifica ESAM 3300: It has served me fine but it is like 10 years old. It has broken three times and twice I have been able to fix it myself (fittings). It is like $130 to just ...
0
votes
1answer
150 views

“Untwist” the triple-shot program?

On one of the super-automatics at work (Starbucks Mastrena), we have a "twisted" triple-shot program where the single-shot portion is grinding longer than the double-shot portion. My procedure isn't ...
8
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1answer
1k views

What is going wrong with this Espresso shot?

I am a coffee roaster and am working through building a standard espresso profile for coffee shops in my area. I'm working with a particular shop that is interested in my coffee, but for some reason ...
3
votes
1answer
481 views

Differences in Espresso Machines Steam Wands

Why do some home espresso machines have a steam wand with a sleeve over it and a tiny hole in the side of the sleeve? Why does a home espresso machine (even a 15 bar pressure one) often not produce ...
2
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2answers
166 views

Which creates the strongest (and/or better quality) coffee? Espresso Maker vs. French Press

For a year I used an Espresso maker to make my morning cup of jo. Recently my maker broke and I decided to try out a french press. I originally though that the espresso maker would be stronger because ...
25
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7answers
8k views

I run my espresso machine until my whole cup is full. What's my coffee called?

I have a cheap espresso machine. I grind dark roast beans separately, fill a "double" filter with it, run the espresso machine and won't turn it off until my ~250ml cup is completely filled. I drink ...
3
votes
1answer
135 views

Foam knife one on Breville dual boiler?

Is there any method to install the foam knife one steam tip (such as this one) on the Breville BES920xl?
3
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1answer
146 views

How to determine level of scale build up

I would like to find out if my machine already has enough scale-buildup for a descaling session. It's a 2 group, heat exchange copper boiler. About 10,000 shots through the machine. I use filtered ...
5
votes
1answer
706 views

How can I produce better espresso shots with my Gaggia Classic?

I just bought an espresso machine, Gaggia Classic.I tried making an espresso from pre-ground coffee with the pressurised filter (Crema Perfetta) that comes with the machine and I found the coffee was ...
10
votes
2answers
553 views

What are the 4M's of espresso?

"4M" is something that I have been heard of as a requirement set for tasty espresso. What are these four important quality factors that affect the flavor of final espresso cup?
4
votes
1answer
241 views

What are alternatives uses for an espresso machine?

Assuming that you have a real espresso machine, one that also does pre-infusion and has a steam wand, what are going to be alternative uses for it. If you want you could also list things to be ...
3
votes
1answer
163 views

Can I have this type of coffee?

I would like to know if people normally have the type of coffee I do. I take coffee from a vending machine that has a variety of options (latte, cappuccino, espresso) of which I choose espresso. This ...
10
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2answers
1k views

Steam-Powered Espresso Machine: Crema?

Hi there fellow coffee lovers! So, I recently decided to purchase my first ever espresso machine (well, kind of)! Its a steam espresso machine made my Mr. Coffee®. I know its a beginner machine, so I ...
5
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4answers
2k views

How Much Should I Spend When Investing In An At-Home Espresso Machine?

I remember discussing the merits of different espresso machines a while back at my local coffee shop with a seasoned barista. His advice was that anything priced below $1000 would produce sub-par ...
8
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1answer
309 views

Do I need higher pressure to create a ristretto?

I want to make a ristretto. Besides grinding my coffee finer, do I need to increase the pressure of the steam, or should I leave it the same?
9
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2answers
795 views

Is there a way to get Caffe d'orzo in North America?

I know it's not really coffee, but I fell in love with "Caffe d'orzo" on a trip to Italy. I seems to be ground, roasted barley run through an espresso machine. The shots don't taste quite like ...
5
votes
1answer
848 views

Why are the spouts on some portafilters not aligned with the handle?

On my Rancilio portafilter, the spouts are not aligned with the handle (I would expect them to be in a 90° angle). In consequence, the spouts do also not really align with the machine when the ...
6
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2answers
3k views

Is it necessary to keep a portafilter in the grouphead when not in use?

Some say that keeping a portafilter in the grouphead is both beneficial for the machine and affects the quality of the espresso (by keeping the portafilter warm). Is this accurate? If so, what are ...
7
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1answer
783 views

What machine is Caffe Vergnano using to make my coffee?

I went into Caffe Vergnano (a chain of coffee shops in London), and my cuppa was prepared with the following device: From a rudimentary inspection, it seemed to be an arcanely constructed espresso ...
10
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1answer
1k views

Other uses for espresso machines?

I own a espresso machine and was wondering if there are any other beverages besides coffee which could be produced using it. Of course, using the hot water tap to get hot water for tea is quite ...
11
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2answers
2k views

How do I keep slime from collecting in my drip tray?

My espresso machine has a pretty impressive drip tray, at just around 1.5 liters in capacity, it holds quite a bit. The problem is, if I empty it only when full, the bottom part of it has this ...
10
votes
1answer
167 views

What changes need to be made to espresso machine so it can function properly in space?

I recently read this article about an Astronatur taking a "specially adapted espresso machine" with her to the space station and using it there to drink coffee. Now this makes me wonder, what changes ...
5
votes
1answer
2k views

How can I prepare an espresso machine for long-term storage

I am moving abroad, and will put my espresso machine in storage for at least one year. What can I do to make sure it still works when I return? Upon my return, what parts should I replace?
15
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2answers
1k views

What differentiates a $100 coffee machine from a $1000 coffee machine?

There is a huge amount of price variance for coffee machines. Just a quick look in any shop will reveal two espresso machines, made by the same manufacturer, one in the $100 range, and another in the $...
5
votes
2answers
59 views

Upward size limit for espresso makers

In my, somewhat limited, experience with espresso machines they generally only produce a few shots of espresso per load. Is this a technical limitation of espresso making or is it just that the ...
8
votes
1answer
353 views

Why do barista's keep activating the doser whilst grinding coffee

I notice that some barista's keep whacking the doser on the coffee grinder when they fill the espresso holder. What's the theory behind this? I would've thought that the fact that the coffee is being ...