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1
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2answers
33 views

How does one calculate extraction percent?

I am reading “Everything But Espresso” by Scott Rao and am in the chapter “The Coffee Brewing Control Chart”. In the section “How to Calculate Extraction without a Chart”, he says you need three ...
2
votes
1answer
45 views

Qm76 Evo Quick machine building up pressure

We have a Qm76 Evo Quick machine. When making a double shot , using a 30psi tamper, coffee did not flow from either spout, and when removing the portafilter it seemed to be under pressure, making a ...
2
votes
1answer
89 views

Why does my coffee at work have a paper/wood flavor?

I'm at a loss. I have tried everything to make coffee taste as good at work as it does at home, eliminating as many variables as possible. I do not do anything different in my brewing between home and ...
1
vote
2answers
203 views

What is the difference between the coffee brew from a moka pot and percolator?

I don't drink coffee. BEAR WITH ME Still, I enjoy making coffee for other people. Could you please describe the differences between the brews from a moka pot and a percolator? I know this is sort ...
6
votes
3answers
439 views

Does longer brewing time with hot water negatively effect flavor?

I've been reading the answers to related questions, but I'm still confused about the variable of the length of brewing time. I've heard that when using a Moka pot, one should turn off the flame ...
1
vote
2answers
251 views

How can I solve the filling problems of my Keurig?

My Keurig works perfectly when I don't have a K Cup in it (just plain water). As soon as I put one in, it runs slow and does not fill any of the cup sizes. I have descaled and cleaned out all the ...
0
votes
2answers
200 views

How Can I Program A Robot to make coffee For me when I wake up?

Would a Raspberry Pi work for this? Or maybe one of those android robots? I don't wake up at a certain time everyday its totally random, so I cant use a Timer I need a sensor that will sense if i'm ...
12
votes
4answers
1k views

Brewing Coffee with instant hot water tap

In my office they have a tap with (boiling) hot and cold filtered water system - its designed for hot drinks, and is fine for black tea. I assume it dispenses at around 100 degrees, though I have not ...
4
votes
4answers
332 views

What is the difference between the terms percolation and brewing in English?

Percolation and brewing seem used quite interchangeably in English, in many contexts, but not all. For example, I can often see "percolation time" in technical documents or Wikipedia entries, but ...