bloomed

Coffee bloom can help you to make your coffee better if you make it right. If you are tired of drinking the same coffee every day and want to improve your coffee, all you need to know is how to make coffee bloom. Another reason to learn what is coffee blooming is that you need to turn the carbon dioxide drawback into an advantage by degassing, that is, blooming. Increasing your knowledge about coffee bloom not only changes your coffee to your taste but only will help you to impress other people with your coffee. Without further ado, let’s see what coffee blooming is and how to make it.

vacuum coffee brewing
“Vacuum Coffee Brewing 2” by matt.herzog is licensed with CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/

What Is Coffee Blooming?

If you are reading coffee blogs or watching some videos about coffee, you may have heard the term “coffee bloom” frequently. But what is coffee bloom?

Coffee bloom can be simply described as the fast release of gas that occurs when the hot water touches the coffee grounds. It happens when you pour a small amount of water over your coffee and allow it to sit for about 30 seconds before you continue brewing. During blooming coffee grounds, you may see that grounds swell and bubbles rise slowly. These bubbles are the carbon dioxide (CO2) that is released from the grounds.

The Role Of Carbon Dioxide

Depending on the scenario, carbon dioxide can be an advantage and disadvantage. It can keep the coffee fresh and preserve the natural flavors. But, they have a sour taste and they can prevent water from extracting the bean sugars while brewing. Therefore, you have to be sure that your coffee grounds are releasing carbon dioxide before brewing. Keep in mind that if you have darker roasts, it is more likely to find more CO2 in them.

French Press Coffee Bloom
“French Press Coffee Bloom” by We Love Coffee Makers is licensed with CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/

What Causes Bloom?

The main thing that causes bloom and coffee bloom time is the roasting procedure. When all types of organic materials are heated, chemicals -especially CO2- are discharged. After roasting, these chemicals are released slowly and this effect is called “degassing”. After beans are ground, trapped gases can be discharged more quickly and when the hot water comes into contact with grounds, they immediately purge themselves of the carbon dioxide and create the thing “bloom”.

What Affects Bloom?

  • TemperatureThe hotter the area coffee beans are stored, the faster the gases are likely to escape from beans. You can store beans in a cooler environment if you want to avoid it.
  • HumidityIf you are storing your coffee beans in a dry area, you may expect more gases to escape from your beans.
  • Roast LevelThe type of the roast is another factor that affects your bloom. For example, darker roasts undergo much less degassing compared to other roast levels.
  • Bean OriginLike roast level, bean origins can affect your bloom. Some beans may undergo less or more degassing than others.
  • Bean HardnessIf your bean is hard, it is difficult for carbon dioxide to escape from your coffee bean.
French press coffee blooming
“French press coffee blooming” by Bean Poet is licensed with CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/

How To Bloom Coffee?

We think now you know does blooming coffee make difference. Therefore, it is time to see how to bloom coffee. However, since the pour-over bloom is the most common, we will teach you how to bloom coffee using a pour-over coffee maker first. Don’t worry, we will see how to bloom coffee with different brewing methods too.

  1. Put your coffee beans into your pour-over coffee maker.
  2. When the water is in the right temperature, pour twice as much water.
  3. Wait about 30 second. In this step you can see what does coffee bloom look like.
  4. Pour the rest of the water and start brewing.
bloomed
“Bloomed” by DaveFayram is licensed with CC BY 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by/2.0/

How To Bloom With Different Brewing Methods?

French Press

French Press is another popular brewing method that you can benefit from blooming. To make French Press bloom, you just need to insert the bloom time right into the process. Once you add the ground coffee to the carafe, add the right amount of water (twice as much,) and wait for 30 seconds. Stir them gently and add the rest of the water.

Cold Brew

Although there are many ways to make cold brew coffee, you can try the hot bloom/cold brew method. It is simply done by adding coarsely ground coffee into the carafe and adding the right amount of water and waiting for 30 seconds. After that, you add the rest of the cold water and wait for the mixture to brew for 12-24 hours.

Automatic Drip Coffee Makers

To make coffee bloom in automatic drip coffee makers, place your filter in your coffee maker’s basket and add some ground coffee to it. After that, add a little bit of water to soak the coffee grounds. Wait for about 90 seconds and continue your brew.

v60
“V60” by kadluba is licensed with CC BY-SA 2.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/2.0/

FAQ

Why Is My Coffee Not Blooming?

This can mean that your coffee is already degassed. If your coffee is not fresh enough or you have stored your coffee beans wrong, you can have a hard time blooming your coffee. What’s more, if your coffee beans are over-roasted, you can’t bloom your coffee beans.

How Long Does Coffee Grounds Take To Bloom?

As we said earlier, blooming takes usually about 30 seconds if you are using pour-over, French Press, cold brew, and such. However, in automatic drip coffee makers, this time becomes 45-90 seconds.

Wrapping Up

If you want to be a coffee aficionado, coffee blooming is one of the things that you need to learn. However, we hope you don’t have a problem with coffee blooming anymore. You can brew the perfect cup of coffee for yourself and your friends using coffee bloom. If you have questions or suggestions, let us know in the comments section!

Coffee Bloom Explained

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