Drip Brewing Vs Immersion Brewing: Which One To Choose?
Who doesn't like hand-filter coffee? You don't need to spend a high cost to buy a machine, and you don't necessarily need to order a meal in the store to get it. The hand brew allows you to experience the rich aroma of specialty coffee, and you can easily control the brewing factors.
However, there is another consideration for immersion and pour-over coffee. Each brewing method will bring different flavor characteristics. It may focus on the full-bodied taste, or it may focus on the clear and clean taste.
Therefore, brewers divide filtration methods into two categories: drip filtration or immersion. What is the difference between these two brewing methods?
This article combines Twist Press, a brewing device with soaking and filtering characteristics. The user extracts coffee by twisting the device instead of pressing a button and shares the differences between the two brewing methods.
Dripping, pouring, filtering, etc. What is the difference between these terms of hand flushing?
Pour-over coffee actually has many names. The simple definition of drip filtration is to pour hot water on coffee powder, let the water pass through the coffee powder bed by gravity, and finally flows into the container to complete the extraction.
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The drip filter equipment contains Hario V60, Kalita Wave, Chemex, and other appliances. Of course, many household coffee makers also use the same extraction principle.
However, this method of pouring is not suitable for electric coffee pots. It is limited to manual brewing of coffee, and hot water is poured manually on the coffee powder for extraction.
Why Do People Love Drip Coffee?
The coffee extracted by gravity extraction is very complex, with very rich flavor levels and depth.
The brewing by drip filtration will intensify the complexity of the coffee flavor and will often highlight the delicate flavor and aroma because drip filtration allows the water to extract the oil and soluble substances of the coffee when it passes through the powder (provided that the brewing formula used is good), Can also highlight a clearer flavor.
According to the flavor characteristics you want to emphasize, different hand-punching appliances will come into play at this time. Even if you are brewing the same coffee bean, there will be different flavors.
For example, V60 is very suitable for emphasizing the acidity and floral aroma of coffee. Although filter paper is used, it can still retain a considerable amount of coffee oil through V60 and retain its mellowness. However, Chemex's filter paper is thicker, which will filter out more coffee beans, and the extracted coffee is more complex. Kalita Wave has a flat bottom of the filter bowl with three filter holes, which can lengthen the extraction time while reducing the flow rate, allowing for a higher error rate and deeper sweetness extract.
Due to the constant flow of water, the extraction of coffee solubles is also more efficient than immersion extraction. In other words, the amount of coffee used per brew is relatively small.
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The result of the drip filter extraction method depends on the material and thickness of the filter material used in the filter cup. During extraction, the filter material will absorb the coffee oil and produce coffee with a clear taste. Let the brewed coffee have a highly complex level, such as high-quality single-origin coffee or coffee with delicate acidity.
Last but not least, drip brewing equipment is easier to clean and maintain.
The Challenges And Difficulties Of Pour-over Coffee
The main and most obvious challenge and difficulty in pouring coffee are maintaining the brewing result's stability.
Using an appliance with high flexibility will often cause errors due to human factors, such as poor water injection techniques, channel effects, and instability of water temperature. These are the most common problems that will affect the brewing result, especially in Inexperienced people.
Novices in pour-over often have difficulties in using a narrow-necked pot to control the flow of water. In fact, many people don't even have a pour-over pot at all.
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Channelling Effect: As a result of the uneven distribution of coffee powder, some areas of coffee powder will be over-extracted, and some sizes will be under-extracted. The high-angle oblique design of the pour-over device like Chemex and V60 will increase the difficulty of uniform distribution of coffee powder, which will cause the problem of uneven flavor and inconsistent quality of the extracted coffee.
You can argue that when you use certain brands of filter cups, the shape and design of these filter cups help maintain the consistency of the extraction. However, in the end, if you don't know why you use this filter cup, then you will still Take a relatively high risk in experimenting with brewing parameters. Then the coffee will be under-extracted or over-extracted.
Even if you make a very good cup of coffee, and then your brewing method is exactly the same next time, you will not get the same delicious result.
Instability Of Water Temperature: Regardless of the material, size, shape of the brewing utensil, or even if you use the water cut method and a knife flow, the instability of the water temperature will have a negative impact on the flavor of your coffee. The most extreme situation is that the water temperature drops too quickly. , And finally completely changed the extraction rate.
It is not easy to control dumping skills. There are so many variables intertwined, and it is a challenge to control these variables completely.
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What Is The Difference Between Immersion Brewing And Dripping?
The key to immersion brewing is, as the name suggests. The coffee powder is soaked in hot water and can be enjoyed after proper extraction. This means that the brewer needs to pay more attention to the brewing time than the water injection method.
Some immersion extraction methods, such as cupping, are to leave the powder in the water because cupping allows the coffee taster to evaluate the quality of the coffee under different extraction results.
Other immersion extractions filter the coffee powder when the brewing is completed, such as the French filter press and the Twist Press mentioned earlier in the article, which allows the brewer to press or twist the appliance at the same time to extract.
Twist Press consists of two parts, the main chamber, and the top chamber. When it is closed, it creates a gas pressure above the extracted coffee. Both chambers have their own independent handles. When the brewer wants to make coffee, he will twist the two handles together. The spiral design on the side of the main chamber is better for twisting. When the two handles are twisted to the same position, it will produce uniform downward pressure. , Push the brewed coffee into the filter paper.
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These immersion extraction appliances add an additional variable to the extraction method, as the brewer applies pressure to force the liquid coffee through the filter. On the other hand, this pressure allows a finer grind scale and a shorter extraction time to brew coffee.
Other immersion brewing methods use gravity rather than human pressure to filter the coffee. For example, smart filter cups and BrewThru filters are V-shaped like most pour-over filter cups, but there is a valve at the bottom that can infuse and filter coffee at the same time.
This valve allows the brewer to control the soaking time, just like the traditional immersion brewing method, and when the valve is open, water extraction can also be applied. It may look like a drip-type drip brewing device, but it is also an immersion brewing device.
Why Do People Love Immersion Brewing?
According to the characteristics of the appliance, the flavor level of the coffee extracted by the immersion type is not as rich as the drip filter type, and the brewing process is also less detailed to pay attention to. If you want to brew coffee with stable quality easily, the immersion type will be a good choice.
Generally speaking, the immersion type will bring a thicker taste of coffee, but for those who like the immersion brewing method but do not like the rich flavor, bypassing espresso is an option, that is, extracting a high-concentration coffee. The coffee is diluted with water. In fact, it is the same method as extracting espresso and adding water to make American coffee.
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If you try to introduce friends into the field of specialty coffee, usually everyone will reject it, but bypassing is a corresponding method. We have actually tested this method. Even a coffee layman, as long as you can dilute the strength of the coffee, you can enjoy a cup of coffee with a good sense of balance at home.
The Challenge Of Immersion Brewing
This brewing method is less popular than drip brewing, but is it worth looking at?
Although the French press is not necessarily synonymous with immersion extraction, it is the most representative appliance of this type of brewing method. It is very suitable for long-term soaking of coarsely ground coffee with hot water.
Unfortunately, many people did not pour out all the coffee in the French press immediately after pressing the cylinder, which caused the coffee to be over-extracted, discredited the French press's reputation, and only attributed the equipment to our extraction. Mistakes seem unfair. In addition, if the French press pot is used with fine grinding, it can also bring a higher extraction rate and richer flavor.
Some people think that coffee brewed by immersion will burden the taste too much. Most French press pots on the market have metal filters with pores between 80-300 microns. Unlike the filter paper of drip-type hand brewing coffee and some special immersing appliances, the coffee brewed by these appliances will not absorb the coffee oil, and at the same time bring some fine powder precipitation, improper operation may lead to brewing The coffee is full of bitterness.
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The problem is that the immersion brewing method can only use micron-level filters. From a logical point of view, if the filter hole is too small, it may not be able to press down to complete the extraction. I think this is a negative problem caused by the immersion method.
In addition, if you are in a hurry or don't have time to clean up the utensils, French pressure pots will not meet your needs.
According to a survey of consumers, it is found that few people use soaking appliances to make coffee during the week, and usually, people have more leisure time on weekends. Someone said that he would make coffee in a press pot on weekends and then use this time to read the newspaper. At this time, the coffee may be steeped for too long, and it will be full of odors. In fact, it is the result of our improper operation. Some negative results are usually artificial. It is caused by mistakes.
Finally, the traditional French press uses downward pressure to extract, rather than round or side pressure, which will lead to unstable and inconsistent extraction results.
When your water flows smoothly, it will maintain a more stable extraction. If you apply pressure during the extraction, the stability of the extraction will decrease.
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Different Brewing Methods Will Bring Different Flavors?
The immersion type and the drip type, the former is characterized by a thick taste, and the latter is a clean taste, rich layers, and bright acidity.
In addition to these two brewing methods, some appliances combine the characteristics of the two brewing methods, which may give you a clean and thick taste at the same time.
But does this mean that one brewing method must be better than another? Do high-acid single-origin coffees have to be brewed by a drip filter? Or is it purely a matter of personal preference?
One type of coffee is only suitable for a certain brewing method. This is wrong. The most important thing is to find the way that suits you best.
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