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1475 questions
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How does water level affect steam?

The water heated in a metal boiler is kept mid-way, to create enough space for steam. The steam is used to heat milk and froth it. My question is, how does the level of water -- higher, lower, middle vertically inside the boiler -- affect the…
wearashirt
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Caffeine and Hearing loss

What amount of coffee has an ototoxic effect after an acute noise exposure? I'm referring to this study: https://www.ncbi.nlm.nih.gov/m/pubmed/26940042/ I know that they use 25mg/kg which equals 1750mg for an average man, but I want to now if a…
J. Scott
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How do I know if my aeropress is too loose?

I bought my wife an aeropress for Christmas and I used it a few times before understanding exactly what the instructions were saying - (I tried to make a latte with hot milk and water in the hopper) it was very hard to press down at that point -…
Peter Turner
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Pouring lungo into two cups

I have a quick question. I know that lungo is less concentrated than a regular shot of espresso, so if I pour a lungo into two cups at the same time, as I guess most machines would let me do, will I get the equivalent of pouring two separate…
Lambusy
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I like a really mild tasting coffee, not to bitter, a little bit sweet but not overly sweet, what beans have this kind of flavour

My dad has a coffee bean roaster, so he buys green beans and roasts them himself , he really likes his coffee beans to have a strong flavour. I would like to find a green beans that are more mild in flavour, if it helps I drink my coffee as a latte.…
ben
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Where can I buy ground coffee in Beijing?

I recently moved to Beijing and now realized coffee is not so popular here as it is in America. There is a Walmart supermarket near to where I live but guess it, there is no ground coffee there. Where can I buy ground coffee in Beijing?
KcFnMi
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Does drinking coffee immediately after lunch or dinner impact health?

Does drinking coffee immediately after breakfast or lunch or dinner impact health?
goofyui
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Difference between steam wand and aeroccino frother

I often use an Aeroccino automatic milk frother that comes with some Nespresso machines. It froths milk by whisking it rapidly in a heated cup and produces a rather pleasant foam, though the resulting taste and texture is noticeably different from…
FlashCactus
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Is coffee bad for my heart?

For most healthy people, caffeine could cause a short, temporary increase in blood pressure. If you don't have high blood pressure you can still feel your heart race after your morning cup. Avid coffee drinkers can build up a tolerance to the…
Geert Jan
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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 of like describing a painting to a blind man but I…
mathgenius
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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?
Matt
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Is it safe to say that same type of coffee used with an espresso machine is ideal for a moka pot?

As far as the type of: bean; the better-suited roast; proper grind-size goes; ...do you treat a moka pot's coffee (bean/roast/grind) the same way as a full espresso machine? I use a Bialetti Brikka - which makes a great shot, & even approximates a…
farankoshan
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Understanding Coffee Bean names as they relate to roast

So for example, in my local Fairway Market, I see barrels of coffee beans labeled such as "Ethiopian Harrar", "Costa Rica Tarrazu", "Ethiopia Yirgacheffe" etc. These names literally refer to geographic locations in a country, where the beans are…
joe
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What's the difference between iced cafe au lait and iced coffee?

Is iced cafe au lait actually just cafe au lait with ice in it? How can a cafe au lait be iced? I've had both iced cafe au lait and iced coffee at Crazy Mocha and the iced cafe au lait does taste more like cafe au lait than iced coffee. Can someone…
Taisuke Yasuda
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How to transport coffee

I'm afraid this is a dirty instant coffee question. Every morning I'm up pretty early and will usually make myself a quick instant coffee in a travel mug and hit the road. It is really good instant coffee, IMHO, and not only keeps me going for most…
Jack Parkinson
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