After pulling an espresso shot, standing water left in the portafilter basket and a wet, mushy puck that won't hold its shape are problems many coffee enthusiasts run into. This article systematically sorts out several common causes of water pooling in the basket: too small a dose, a grind that is too coarse or too fine, and unstable pressure delivery from the espresso machine. The article points out that standing water is essentially a reflection of the extraction parameters and the machine's condition, and does not necessarily mean the coffee will taste bad; what truly affects flavor is the parameter error itself. Front Street suggests that if the flavor is off, you should first adjust the dose or the grind parameters to correct the coffee's taste, rather than simply fixating on the standing water. [more…]

Many espresso enthusiasts have encountered this situation: after extraction, you remove the portafilter and find the puck wet and soft, unable to hold its shape, with a pool of water still sitting at the bottom of the basket. This is clearly not an ideal extraction state. Is the problem with the basket or the dispersion screen, or do the extraction parameters need adjustment? This article will analyze the possible causes of water accumulation one by one from the perspectives of grind size, coffee bean freshness, dose matching, group head cleanliness, and machine pressure, and provide corresponding solutions. The article will also share Front Street Coffee's dose control experience from daily dialing-in to help you find the root of the problem and return espresso extraction to a dry, intact puck state. [more…]

After pulling an espresso shot, the ideal puck should be dry, intact, and come out in one solid piece without crumbling. But in practice, many coffee lovers run into a soggy, muddy puck with standing water at the bottom of the basket. This abnormal phenomenon is usually linked to four factors: grinding too fine, coffee beans stored too long so they lose carbon dioxide, too large a gap between the puck and the dispersion screen, and unstable extraction pressure in the espresso machine. This article breaks down the principle behind each cause one by one and offers corresponding troubleshooting and adjustment methods to help you quickly pinpoint the problem and get back to normal extraction. [more…]

When pulling espresso, you sometimes remove the portafilter and find a large amount of hot water left in the basket, with the puck wet, even loose and misshapen. This phenomenon not only affects consistency in the cup but also makes it hard to identify the root cause. Starting from the principles of espresso extraction and pressure release, this article systematically breaks down the three common causes of water pooling in the basket: grinding too fine, which impedes the flow of hot water through the coffee bed; using too small a dose, which leaves too much distance between the puck and the shower screen; and insufficient pressure on home machines, which weakens the back-suction effect. It also offers Front Street Coffee's adjustment suggestions to help coffee enthusiasts quickly pinpoint the problem and improve extraction flow rate and puck condition. [more…]

When pulling espresso shots, have you ever encountered water pooling in the portafilter basket, a loose puck that won't hold its shape, or crema that clumps up quickly with tiger stripes appearing on the surface? Each of these phenomena actually has its own underlying cause. This article continues Front Street's series on common espresso extraction issues, breaking down key variables one by one—dose, grind size, coffee bean degassing, and fines distribution. From judging extraction evenness by puck condition, to understanding the relationship between crema clumping and coffee bean freshness, to clarifying whether tiger stripes really mean over-extraction, this guide helps you troubleshoot more accurately and adjust your parameters, making every espresso shot more stable and controllable. [more…]

The extraction quality of espresso can be judged not only by flow rate, pressure, and time—the puck after extraction also reveals a great deal of key information. An ideal puck should be dry and level, structurally intact, and uniform in color. In practice, however, problems such as cratered surfaces, holes, standing water, loose structure, one half dry and the other half wet, or even a blackened bottom are all too common, and they often point to deviations in dose, grind size, distribution technique, or equipment pressure. This article systematically sorts out the manifestations and causes of six common puck abnormalities, offers targeted adjustment plans, and explains how to correct extraction through operations such as grinding finer while reducing dose, or grinding coarser while increasing dose, helping coffee enthusiasts consistently make a qualified espresso at home. [more…]

Crafting a perfect espresso is the goal of many coffee enthusiasts. However, in practice, sudden spurting, pinholes, or channeling in the espresso flow often catch people off guard. These phenomena not only affect the uniformity of coffee extraction, but also lead to weakened aroma, a thinner mouthfeel, and even unpleasant flavors such as sharp acidity and bitter burnt notes. This article will take an in-depth look at the causes of channeling, from dosing details, portafilter knocking, dose control, to coffee grounds clumping and more, helping you find the root of the problem and offering practical solutions. At the same time, we will also discuss whether a split portafilter can truly solve channeling issues, and share Front Street Coffee's classic espresso blend recommendation to help you easily improve the quality of your espresso. [more…]

Recently, a compact metal accessory has been generating quite a bit of discussion in the coffee community. Many enthusiasts see it as a handy tool for simplifying the extraction process—the secondary dispersion screen. What changes can this metal disc actually bring? Can it truly solve the common problem of wet, crumbly pucks after espresso extraction? In this issue, Front Street will analyze the core functions of the secondary dispersion screen, and combine that with hands-on experience using related products from the Bomber brand to provide an objective reference for coffee lovers who are still on the fence. [more…]

Many coffee enthusiasts teach themselves pour-over brewing by watching tutorial videos, but when they actually try it, they often find that the dripper drains far more slowly than in the videos, and water pooling in the coffee bed drags out the total brew time. What exactly causes this pooling phenomenon, which resembles channeling? Front Street Coffee believes the problem mainly comes from three areas: a mismatch between the chosen video and one's own coffee beans, the influence of grind size and ultra-fine particles, and differences in pouring technique. This article will analyze everything from roast level, bean freshness, and grinder quality to pouring method, to help everyone find the root cause of slow drainage and offer practical adjustment ideas, making the pour-over process more controllable. [more…]

One of the most frustrating problems in pour-over coffee is water pooling. Once clogging occurs in the final stage of brewing, the coffee's flavor often turns bitter and undrinkable. In fact, before the pouring is finished, there are several time windows where you can predict in advance whether pooling will happen. As long as you master these judgment methods, you can adjust your pouring strategy in time and avoid ending up in a passive position. This article will focus on three key time points—the degree of bloom expansion, the foam performance during pouring after the bloom, and the speed at which the water level drops before the final pour—to explain one by one how to identify the risk of pooling and give corresponding countermeasures. It will also introduce the ultimate solution when all methods fail—flow cutoff—and how to deal with the problems of overly high coffee concentration and missing flavor after flow cutoff. [more…]

During pour-over brewing, when fine particles clog the filter and drainage slows down, you often have no choice but to cut off the flow as an emergency measure—but if you're even slightly late, the bitter, over-extracted taste ruins the entire cup. Rather than reacting passively, it's better to anticipate the clog before it happens. Drawing on the characteristics of light-roasted beans, Front Street Coffee shares how to judge whether water will pool during brewing based on three aspects—the degree of expansion during blooming, the foam behavior, and the rate at which the water level drops—and offers corresponding adjustment techniques to help you reduce the negative impact when a clog occurs, while also getting to the true root of the problem. [more…]

Animal-themed cafes have been springing up around the world in recent years, with cat, dog, and alpaca cafes becoming commonplace. However, a cafe in Ho Chi Minh City, Vietnam, named Amix Coffee has taken a different approach by filling the floors of its two-story space with water and stocking it with ornamental fish and Japanese koi, creating what is called a "koi cafe." Customers must take off their shoes and wash their feet before entering the pool to interact with the fish up close. While this idea is eye-catching, it has also sparked heated debates over animal welfare, hygiene, and safety. Some netizens criticized the practice as inhumane, saying it could crush the fish to death or spread disease. Meanwhile, South Korea has announced a ban on exhibiting wild animals outside of zoos, bringing the boundary issues of animal-themed cafes back into the public eye. [more…]

Many coffee enthusiasts encounter a tricky problem when brewing light-roasted beans: near the end of the pour, the water level drops slowly, and a layer of water sits in the dripper that just won't finish draining. If you keep waiting, you risk over-extraction and bitterness; if you don't, you worry the flavor won't be complete. What was once a relaxing pour-over suddenly becomes stressful. In fact, water stalling with light-roasted beans isn't a problem with the beans themselves—it's the combined result of density, expansion, and grind size. This article breaks down the causes of stalling from these three angles and offers three actionable solutions: simply discarding the final phase of the pour, coarsening the grind while using higher temperatures and agitation, and sifting out ultrafines for reuse. Understanding the logic behind it matters more than memorizing parameters—next time you run into stalling, you can judge from the flavor whether adjustment is needed. Front Street Coffee also often advises: taste first, then adjust—don't rush to blame the beans. [more…]

Light roast coffee beans are beloved for their bright floral and fruity aromas, but many enthusiasts often run into slow flow rates and easy pooling when brewing pour-over at home, ultimately extracting nothing but a monotonous sour taste. This actually has a lot to do with the physical structure of light roast beans: with a light roast level, the bean body is dense, the carbon dioxide content is low, and both water absorption and degassing capacity are weak, causing fines to easily settle and clog the dripper. This article will take a deep dive into the difficulties of pour-over brewing with light roast beans, and drawing on Front Street Coffee's brewing experience, share how to effectively enhance the sweetness and complexity of coffee by adjusting water temperature, pouring technique, and staged extraction, so you can consistently brew a well-balanced cup with both acidity and sweetness at home. [more…]

The total brew time of a pour-over is shaped by multiple factors at once—grind size, how the particles take on water, the pouring technique, and the design of the dripper—making it very hard to control precisely. Many people new to pour-over habitually use time as the standard for judging whether the flow rate is normal. Once the flow at the tail end of the brew refuses to come down, the extraction time gets dragged out and the coffee easily picks up bitter, off-flavors. This article focuses on the common frustration of standing water at the tail end of a pour-over, analyzing the causes one by one—from the quality of the coffee grind, the roast level of the beans, the pouring technique, and puck management—and offers the corresponding solutions summarized by Front Street to help you find the real reason behind the slow drainage and adjust accordingly. [more…]

Nowadays, the coffee track is becoming increasingly crowded. In order to stand out among numerous stores, many cafes have begun to focus on spatial design. Some focus on value for money, some compete on service, and others rely on unique decor to attract young people to check in. One coffee shop has built a small rockery and an oval pool inside the store, with ceramic candlesticks holding lit candles floating in the pool. Amid the drifting mist, the candlesticks gently move with the waves, colliding with each other and making crisp sounds. The shop may have wanted to create a dreamy, cloud-like feeling, but after netizens saw the photos, opinions were mixed: some thought it was classy, while others mocked it as looking like a funeral hall, a bathhouse, or even a hot spring. From the source of inspiration to the actual impression, what kind of experience does this shop's design ultimately bring? [more…]

In pour-over coffee, extraction time is often the most difficult variable to control. Many coffee enthusiasts, when brewing at home, have encountered the situation where hot water is slow to drain through and the time gets dragged out. To avoid over-extraction, some people remove the dripper early, but is this really effective? Starting from the brewing framework commonly used at Front Street, this article sorts out several main reasons for slow flow and water retention, including too many fines, improper pouring technique, and the characteristics of light-roasted beans, and offers corresponding solutions to help you improve your brewing performance without changing equipment. [more…]

Coffee bugs, in the previous few issues we learned about the origin and spread of coffee, so where does the coffee we drink today come from? Next, follow Little One to explore coffee-producing regions around the world~ Currently there are 53 major coffee-producing regions globally, all distributed within the Coffee Belt 『25°N～30°S』. Based on the spread timeline of specialty coffee and the flavors of the origins, we can roughly group these regions into three major categories: Old World old-fashioned flavor category, New World improved flavor category, and Oceanic island flavor category. In this issue, Gain Knowledge will first present the Old World coffee introduction~ Countries that already had Arabica varieties before the 17th century are called the "Old World," led by Ethiopia (Ethopia), with Yemen (Yemen) and India (India) as followers. These three ancient coffee countries retain the most diverse Arabica bean gene pool and traditional natural processing method. Their coffee flavor spectrum is broad and complex, with the greatest amplitude: from rough earthy, woody, leathery, medicinal, and fermented tofu off-flavors, to charming jasmine, cinnamon, cardamom, clove, pine and fir, mint, lemon, citrus, berry, apricot, smoked plum, chocolate... thousands of aromas and flavors, both good and bad, constructing an old-fashioned flavor spectrum that makes people love and hate it at the same time. Ethiopia has the world's most diverse coffee cultivation system and a complex ancient superior gene pool, plus diverse processing methods including natural, washed, and semi-washed, presenting complex and changeable flavors. It can be said that the "flavor spectra" of coffee-producing regions around the world can mostly be tasted here, reflecting Ethiopia's all-embracing "king's flavor." The push of the third wave of specialty coffee [more…]

Ethiopia, recognized as the birthplace of coffee, boasts the world's richest coffee gene pool, with an estimated nearly 15,000 varieties. The Sidamo region, with its fertile volcanic soil and diverse terrain, has given rise to countless specialty coffees. In recent years, the high-altitude microclimate of the Bensa area has spawned well-known brands such as Arlo Village, Hamasho, and Elto. Among them, Elto Coffee, founded by a husband-and-wife team, is dedicated to pushing the flavors of Bensa to the extreme through rigorous selection and meticulous processing. This article will guide you through the evolution of the Sidamo region, the rise of Bensa, and the story and pursuit of quality behind Elto. Front Street Coffee will also recommend related products for you. [more…]

Ethiopia, as the birthplace of coffee, possesses the world's richest coffee gene pool, and its Yirgacheffe region is renowned for its unique floral and fruity aromas. Among the many sub-regions of Yirgacheffe, the Gotiti Cooperative in Gedeb Town, through its washed heirloom coffee beans, reveals a refreshing flavor interwoven with jasmine floral notes, citric acidity, and berry sweetness. This Gotiti Cooperative coffee bean, selected by Front Street Coffee, is light-roasted and brewed with a V60, presenting a clean, sweet tea-like finish, making it an excellent representative for those new to Ethiopian coffee. This article will take you through an in-depth understanding of the Gotiti Cooperative's geographical background, historical origins, and brewing performance. [more…]