Coffee Stack Exchange
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1475 questions
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3 answers

French press temperatures

For a few years I have been using a French press. I have a kettle that I can set the temperature. I set it 201 F. I grind my beans fresh. I bloom for 30 seconds and brew for four minutes. I’ve been happy with the coffee and it taste pretty good. But…
dlb
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Does coffee really need to be stored in an air-tight container?

I am getting conflicting information online about whether or not coffee needs to be stored in an air-tight container. There seem to be two camps: Container must be air-tight Container must have CO2 vent Even coffee canister manufacturers seem to…
oscilatingcretin
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Found around 10kg of 18 year old vacuum sealed coffee beans. Safe to consume?

Was cleaning in my office and found around 10kg vacuum sealed roasted coffee beans in the store room. Probably packed around 18 years ago. Dad had a cafe business with some friends around that time and I guess was kept until today. They are packed…
C. Wagner
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Does coffee stain enamel?

I would like to know if ground-coffee stains the enamel of our teeth. If so, how long and how frequent would its exposure to coffee be in order to acquire a taint or colouring? It is possible too that only additives to the coffee result in an affect…
aitía
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Which vitamins & minerals does coffee provide?

I've heard that coffee contains small amounts of several vitamins/minerals and even worse, it can interfere with iron absorption and wipes out B vitamins. Does coffee has any vitamins & minerals which are essential to life? In example: Coffea…
kenorb
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Pouring espresso into hot water versus hot water into espresso

struggling to find an answer to this (if there is one), perhaps because nature of the question doesn't work so well with search engines. Essentially, I've noticed (and so have others I've spoken to about this), that if I make espresso in a moka and…
the_t_test_1
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Can you prepare orzo coffee in a moka pot?

I have a Bialetti Moka Express and would like to try orzo/barley coffee. I know they sell an orzo express model, but was wondering if I can just use my moka pot
xyhhx
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How would the ratios of iced coffee differ from regular coffee?

If I'm making iced coffee, should the ratios of the ingredients (coffee, water, sweetener, milk) differ in any way? If so, how?
Shokhet
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What produces more crema?

What produces more crema when extracting espresso, darker or lighter roast? What produces more crema when extracting espresso, finer or coarser coffee grind ? why am I getting a very thin layer of crema when pulling a SINGLE shot, although the…
Anis
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Are light coloured spots on beans mold?

What are the light colored spots on the bean? Is this normal or is it mold?
sealfab
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Completely reusable, stainless-steel, zero-waste Nespresso pods any good?

Getting ready to buy an inexpensive espresso setup for at work. I've been very happy with the EC155, but I've noticed that Nespresso machines are very well engineered, very inexpensive, and much smaller. I will not use anything that has throwaway…
abalter
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I'm perplexed on coffee types. What is filter ground coffee?

I bought a new coffee maker and it has a permanent filter and says to only use filter ground coffee.What exactly is filter ground coffee?
Arianna
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How much caffeine is in 1 teaspoon of ground Arabica coffee?

Arabica is said to have less caffeine than Robusta. Couldn't find info about this specific question in Google hence asking here. The grind I have is for filter coffee.
Aquarius_Girl
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How long do the effects of caffeine take to appear?

Taking as a parameter the first sip of coffee we drink, and taking 10 minutes to drink a cup of coffee, how soon are the effects of caffeine to appear?
abarazal
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How to brew coffee without "film" on top

Often when brewing coffee I end up with an oily film that rises to the top of the cup. How do I reduce or brew coffee without it? My current set up is using a french press and Lavazza Rossa coffee (I know a fine grind isn't recommended for french…
EconJohn
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