Patrick Sebastien
  • Member for 6 years, 11 months
  • Last seen more than 1 year ago
How much leverage pressure is it needed to compress coffee for an espresso?
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4 votes

Based on your comment on the question, you are referring to compacting ground coffee in the portafilter. This process is referred to as tamping when making espresso. The widely-accepted amount of ...

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Is it possible to feel any effects after chewing one coffee bean?
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16 votes

First I want to draw a comparison between how much caffeine is in a coffee bean versus a cup of coffee, a cup of tea, or a double espresso. In a standard cup of coffee, there is approximately 150 mg ...

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Is it safe to use paper towel as a filter when brewing?
0 votes

Most paper towels are not meant to be used this way and can contain harmful chemicals. Depending on the regulations in your region, the paper towels may not have to meet the same food-safe standards ...

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What grind to use for a Phin (Vietnamese Coffee Maker)?
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5 votes

For a phin, most websites recommend using a grind that you would use for a standard drip machine or a grind that is slightly coarser. Because every phin is different, it is necessary to experiment ...

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How does freezing affect vacuum packed coffee beans?
6 votes

Freezing will not affect the coffee beans chemically. Thawing may affect them though. When you thaw the beans, small amounts of water (that were frozen as small amounts of air humidity) will melt and ...

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Is my new Baratza Virtuoso producing too many fines?
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4 votes

The Problem with Consumer Burr grinders Burr grinders (that aren't of a very high or industrial quality) generally do not produce even grinds. I usually recommend a spinning blade grinder to the home ...

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Keurig Coffee Maker gets clogged and slow
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5 votes

Due to the age and usage of your Keurig machine, I would say that you are experiencing two possible problems - one at a time or perhaps both. The Problems: The motor in the pump in your Keurig ...

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Moka Pot Buildup
6 votes

Due to the fact that the spots are picking up the colour of the coffee, it sounds to me like they may be scales from minerals in the water being used. This is normal occurrence for almost every type ...

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Certain Types of Coffee Machines Use Certain Filters?
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4 votes

Due to the fact that this is a lengthy question, I will try to be concise and to the point. In short, yes, all of these main types coffee makers use a different type or size of filter. Sometimes each ...

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Can flavoured coffees alter the shelf life of the coffee?
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7 votes

You are quite right - the flavouring does indeed change the shelf life in a certain way. It is necessary to look at this from two perspectives. Shelf Life by Safe Consumption: The flavouring ...

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Chemically, what's happening to coffee after it's brewed?
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14 votes

The biggest chemical change that is going to occur is going to be oxidation. Oxidation Chemically, oxidation is defined as the following from this source. Oxidation is any reaction in which one ...

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Coffee options for those with a weak stomach?
8 votes

I suggest looking for coffee types with lower acidity. Dark roasts generally have lower acidity. I do know that Nabob has an acidity rating right on it's packaging. Some coffee shops will also be ...

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How do I know when to stop pulling my shot?
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3 votes

Assuming the perfect grind, you are looking for extraction time and volume. The ideal double shot should be 60 mL (about 2 US fluid ounces) and should be extracted between 20-30 seconds. I use the ...

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How is instant coffee made?
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12 votes

How instant coffee is prepared in the factory: Coffee beans are roasted They are ground very finely (0.5 mm - 1.1 mm in diameter) The ground coffee is mixed with water in percolation columns which ...

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What qualities do I need from an espresso machine or steam wand in order to produce good latte art?
7 votes

In my experience, it is difficult to achieve perfect microfoam with a home brewing espresso machine. Essentially what you need is a 15 bar pump and a boiler chamber big enough to hold enough steam to ...

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What is the difference between a long (luongo) and a short (ristretto) shot of espresso?
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7 votes

A long (luongo) and a short (ristretto) shot have two key differences. The amount of coffee used virtually stays the same although it can increase slightly with a ristretto shot, as the grind is ...

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Is "cold brew" an oxymoron?
9 votes

Yes, the term is an oxymoron. Miriam Webster agrees with your definition of brewing involving hot water: to prepare (as tea) by infusion in hot water That is why the word cold is used as a ...

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Is decaffeinated coffee more acidic?
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5 votes

According this source, a study by Dionex, a part of Thermo Fisher Scientific, found that decaf coffee is less acidic than regular coffee. That being said, all coffee causes the stomach to produce ...

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What is the appropriate climate for a coffee plant?
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6 votes

I found this website which prescribes the following subtropic and equatorial growing conditions. The subtropical regions, at high altitudes of 16-24° (Illy, 21). Rainy and dry seasons must be ...

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How long will iced latte keep in the Fridge?
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7 votes

When I worked in a coffee shop and we prepared a beverage similar to an iced latte, we always mixed the milk in with the chilled espresso. Keep in mind this was a beverage prepared ahead of time and ...

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Is reheating coffee in the microwave a bad idea?
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16 votes

Although coffee generally becomes staler with time, heating coffee up in the microwave does not produce any harmful chemicals - as long as the container you are microwaving it in is microwave-safe. ...

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