Types of Pour-Over Coffee Techniques and Their Characteristics

This article is part of our professional coffee knowledge exchange, shared so more readers can explore great beans.

FrontStreet Coffee - Pour-over Coffee Techniques and Characteristics Sharing

Every time FrontStreet Coffee chats with customers about coffee, the topic of pour-over inevitably comes up. It is no exaggeration to say that pour-over is the favorite of coffee enthusiasts and aficionados alike. Today, FrontStreet Coffee would like to share several major pour-over techniques and their characteristics.

Pour-over Techniques:

One-stage Method | Two-flow/Single-flow (No bloom)

After blooming, pour water in a spiral from the center to the outer layers without interruption until the lower pot reaches the preset coffee amount. Its characteristic is the continuous soaking and filtering of the grounds in the dripper, steadily extracting the front, middle and back segments of the coffee, for a balanced flavor and mouthfeel. For a sweeter, cleaner taste, raise the maximum water level in the dripper; for a richer, fuller body, lower it. Suitable for Central and South American beans with soft, acidic aromas.

Three-stage Method | Three-flow/Academic Style

An adjustment of the one-stage method: after blooming, switch to three-stage pouring with two "water breaks" in between to adjust the proportion of front, middle and back flavors. This creates distinct layers and offers more adjustability than the one-stage method. Suitable for beans of various roast levels and origins.

A "water break" is the technique of interrupting the pour and waiting for the liquid level in the dripper to drop. This extends extraction time and increases the extraction of flavor compounds. By increasing the first stage's water volume and reducing the second and third stages after the breaks, you can highlight the front and middle flavors. Alternatively, reducing the first stage's water and increasing the middle and back stages after the breaks presents a fuller body.

Stirring Method

Used and championed by Matt Perger at the 2012 WBrC World Brewers Championship. The grounds are ground slightly coarser than espresso. During the bloom, a stirring stick thoroughly mixes water and grounds, quickly extracting front flavors and "saturating" the water. Then pour the preset water-to-coffee ratio in stages, using a large flow to raise the water level and speed up filtration, which acts as dilution. Because of the extremely fine grind and hot brewing, it suits African or Central and South American beans with bright acidity and high quality.

Making water "saturated" means combining an extremely fine grind and hot-water extraction with stirring to accelerate the dissolution of front flavors into the water, pushing the water's dissolved compounds toward saturation and reducing extraction in later stages, thereby amplifying front flavors. Any defects in the beans will be amplified at the same time.

Drip Method

Also known as Japan's Kawano-style or Kono-style. During the bloom, water is dripped drop by drop at the center of the coffee bed to reduce the disturbance and instability that stirring brings, greatly extending the bloom effect. After the coffee liquid changes from drips to a "flow," switch to a small flow for small-range extraction. In the final stage, use a larger flow to push foam and impurities from the bed to the upper layer of the dripper, keeping them out of the liquid in the lower pot. Catering to the Japanese preference for low acidity and a mellow taste, it suits non-acidic Sumatran or medium-dark Central and South American beans.

Using drip pouring instead of a traditional bloom, water drops infiltrate the grounds with minimal disturbance while bringing out middle and back flavor compounds, then accelerate extraction over the last two pours for a full, rich flavor. The key points of this technique lie in the stability of the dripping during the bloom and the judgment of when to change pouring methods.

Kanazawa Method

Another drip-style pour-over technique. Use less water than a usual bloom. After the grounds stop expanding, drip water at the center of the coffee bed like a dragonfly touching water. When the coffee liquid comes out in "droplets," switch to spiral circular dripping. Finally, once the liquid flows out in "streams," use a normal flow. End extraction when the lower pot reaches 80g of coffee liquid, preserving the front and middle flavors at a higher concentration. Before drinking, add 160g of hot water to create layers. Compared with the drip method, the flavor is refreshing yet still round. Although also from Japan, it suits medium-dark beans. Given its front-and-middle extraction, you can also try African beans with bright acidic aromas. The key points match the drip method: stable dripping and good judgment of when to change the flow.

Four-Six Method

Used and championed by Tetsu Kasuya at the 2016 WBrC. The idea is to let anyone brew delicious coffee with this method. Including the bloom, there are five pours in total. The first two pours adjust the sweet-sour ratio of the first 40% of the coffee's flavors, while the last three adjust the intensity of the remaining 60% body. Because the variables are simple and stable, controllability is high. Suitable for beans from various origins. Thanks to the way it tunes the first 40% of flavors, African and Central and South American beans with acidity or soft acidity are also recommended.

It does not demand high-end flow control, only stable conditions each time you brew. A simple electronic scale with time control is enough. For the first 40% of flavors: for more acidity, increase the first pour and reduce the second; for more sweetness, reduce the first pour and increase the second. For the last 60% body: for a lighter body, change three pours to two; for a fuller body, change to four.

Knowledge Extension:

To extract richer aromas, use more coffee. Increasing the coffee amount yields more coffee compounds and thus a more concentrated cup.

Conclusion

In short, FrontStreet Coffee is a coffee research center, happy to share coffee knowledge with everyone. Our unreserved sharing is solely to help more friends fall in love with coffee. We also hold three low-price coffee activities every month, because FrontStreet Coffee wants to let more friends drink the best coffee at the lowest price. That has been FrontStreet Coffee's mission for the past 6 years.

FrontStreet Coffee Recommendation

Because these methods are all about matching a bean to a pour-over style, it helps to know what FrontStreet Coffee keeps on the shelf. For light roasts, Ethiopia is a natural starting point: the washed Yirgacheffe Gutingting often shows bright citrus, berry and floral notes with a green-tea-like sweetness, and because its acidity is soft and bright rather than sharp, it is easy for pour-over beginners to accept; the Huakui stands out for tropical fruit, with strawberry, passion fruit, jackfruit and even lychee, low bitterness and a juicy, smooth body. Panama's Esmeralda red-label Geisha is the other end of the light-roast range, with elegant jasmine, citrus, bergamot and black-tea notes, a clean, transparent body and a long finish. Kenya small tomato is a washed Kenya single origin: from the Sika region, grown between 1,550-1,750 meters with the classic SL28 and SL34 varieties, its round, plump beans undergo Kenya's signature 72-hour double washed fermentation and a light roast, showing cherry tomato and smoked plum in the dry aroma, then clear cherry tomato and smoked plum in the cup, with bright, solid acidity and a sweet middle of snow pear and black plum, and a clean, long finish of yellow sugar and light green tea.

For medium-dark roasts, FrontStreet Coffee's PWN Gold Mandheling is roasted dark, with very low acidity, a full, lasting body and plenty of herbal and dark-chocolate aroma edged with a faint earthy note; the Brazil Queen Estate is low in acidity and well balanced, with rich nut and cocoa aroma and clear caramel sweetness; the Jamaica Blue Mountain No. 1 is prized for its balance of acidity, sweetness, bitterness and aroma, with cream, caramel, chocolate, nuts, honey and a light fruit note; the Yunnan sun-dried Typica, made since 2013, is clean with citrus and caramel, and a medium-dark roast adds nut, chocolate and brown sugar; and the Papua New Guinea Paradise Bird, from the Sigri region and a Typica like Blue Mountain, is grown between 1,600 and 1,800 meters in volcanic soil and reaches the AA grade, with a triple washed fermentation that makes for a clean, sweet, low-acidity cup.