You dialed in your espresso extraction parameters in the morning, but by noon the flow has slowed and become unstable? Besides changes in humidity and switching beans, coffee residue built up inside the group head is often the culprit. Backflushing is the key method for removing this residue—using a blind basket to force water to flow backward through the lines, then combining it with cleaning powder to deep-clean stubborn coffee grime. This article explains in detail the procedures for water backflushing and cleaning-powder backflushing, the number of repetitions, and the daily maintenance frequency, helping baristas maintain stable extraction and avoid off-flavors getting into the cup. [more…]

I believe baristas must have encountered this problem: in the morning, the espresso extraction parameters are dialed in, but by noon, the parameters are no longer accurate, and the coffee flow rate has noticeably slowed down. Front Street has previously offered explanations for two scenarios regarding this issue. The first is when it rains and the humidity in the air is relatively high, inside the bean hopper. [more…]

The espresso machine is the core equipment of a coffee shop. Regular cleaning not only extends the machine's lifespan but also ensures the consistency of every cup produced. This article focuses on the key step of cleaning the interior of the group head, explaining in detail the specific procedures for quick cleaning, daily backflushing, and long-term maintenance. From judging residue on the dispersion screen to the backflush process using a blind basket with cleaning powder, and then to soaking the portafilter to remove oils, each step has clear requirements for timing and frequency. At the end, it also reminds readers that professional deep maintenance is needed every 1–2 years, making this a worthwhile reference for both coffee enthusiasts and industry professionals. [more…]

If a coffee machine is neglected for a long time, its extraction performance and flavor will gradually deteriorate. This article is aimed at semi-automatic espresso machines equipped with an independent brew head, and systematically outlines an actionable maintenance routine, from daily external wiping, cleaning the dispersion screen and portafilter, to backflushing with a blind basket, deep cleaning with cleaning powder, and regular maintenance of the dispersion screen, gasket, and boiler. It also recommends beans suitable for espresso extraction, such as Front Street Classic Blend, Commercial Blend, Dark Cocoa Base Blend, and Specialty Blend, to help you maintain consistent output whether for a café or home use. [more…]

Many coffee enthusiasts have added espresso machines to their homes, but due to a lack of knowledge about cleaning and maintenance, problems such as weakened steam, uneven water flow, and even portafilter leaks begin to appear after the machine has been used for a while. This article systematically organizes maintenance methods for home espresso machines: from the routine cleaning of the steam wand and shower screen after each brew, to using a blind basket to backflush and remove internal residue before shutting down, and then to regularly using specialized cleaning powder for deep treatment of the steam wand, shower screen, and portafilter basket. The article also explains in detail the steps for replacing the brew head gasket after it ages, and reminds readers that water needs to be filtered to prevent scale from damaging the boiler. The article involves practical experience with the machine models used in Front Street Coffee stores, and is suitable for coffee enthusiasts to follow and implement. [more…]

For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Studio (WeChat official account: cafe_style). For more specialty coffee beans, please add our private WeChat: Front Street Coffee (FrontStreet Coffee), WeChat ID: qjcoffeex. With the rise of specialty coffee culture [more…]

If a coffee machine lacks maintenance for a long time, extraction quality will gradually decline and may even cause malfunctions. This article takes the small espresso machine used in Front Street stores as an example to systematically explain the complete process of daily cleaning and deep maintenance for home coffee machines. The content covers key steps such as simple rinsing of the brew head dispersion screen and blind basket backflushing, wiping the steam wand surface and soaking the tip for descaling, and deodorizing the portafilter spout area. The article explains in detail the amount of special cleaning powder to use, control of backflush time and number of cycles, and precautions to avoid damaging the pressure relief valve. No matter what model is used, this method is basically universal, helping coffee enthusiasts maintain their machines at low cost and reduce the risk of needing repairs. [more…]

The semi-automatic espresso machine is the core equipment for a café's operation, and its service life depends both on its initial quality and on careful daily maintenance. A qualified barista must not only be able to extract full-flavored espresso, but also understand how to properly clean and maintain the machine. This article systematically outlines the daily and periodic cleaning procedures for semi-automatic espresso machines, covering key steps such as wiping the exterior, flushing the dispersion screen, deep cleaning the portafilter, and backflushing, while also offering specific recommendations for espresso bean selection, helping you consistently produce stable, great-tasting coffee while keeping your equipment in top condition. [more…]

Home espresso machines are becoming increasingly common, but many people overlook the impact of cleaning and maintenance on coffee flavor and machine lifespan. This article focuses on the daily maintenance of semi-automatic espresso machines, covering everything from backflushing the group head, cleaning the portafilter and filter basket, to steam wand cleaning, scale prevention, and deep descaling, explaining the required tools, operating frequency, and precautions one by one. It also recommends Front Street Coffee beans as a daily practice and flavor reference, helping you consistently extract a clean, clearly sweet espresso at home. Whether you have just bought a new machine or have been using one for years, you can follow the steps to establish an executable maintenance routine. [more…]

If a home espresso machine is neglected for a long time, extraction quality will gradually decline and may even lead to malfunctions. Using hands-on operation as an example, this article systematically explains how to clean the key parts of a coffee machine. It covers the simple rinsing and deep backflushing process for the dispersion screen, techniques for wiping the steam wand surface and soaking the tip, and key points for cleaning the portafilter spout area. Through regular maintenance, you can effectively extend the machine's lifespan and avoid costly repairs. The steps in the article are clear and suitable for coffee enthusiasts to follow on their own. [more…]

To make a good cup of coffee at home or in a shop, choosing the right equipment and doing daily maintenance are equally important. This article systematically sorts out the key points for purchasing common coffee equipment, from Turkish coffee pots, Neapolitan flip brewers, and siphon brewers to semi-automatic espresso machines, water drip coffee makers, American coffee machines, and moka pots, including the suitable roast levels and grind sizes, and also provides reference prices and purchasing suggestions for commercial equipment. At the same time, it explains in detail the cleaning process for coffee machines, the backflushing steps, and the precautions for using glass equipment, helping coffee enthusiasts and professionals extend equipment lifespan and maintain consistent product quality. [more…]

Front Street Coffee recently noticed that many coffee enthusiasts, when operating espresso machines, make some improper movements that cause the portafilter to suddenly fly out of the group head during or even after extraction, creating a scene that is both embarrassing and dangerous. This kind of machine blowout can, at best, dirty the equipment, and at worst, injure someone. What exactly causes the portafilter to be "blown" out? In this article, Front Street Coffee sorts out three common scenarios—when removing the portafilter, during espresso extraction, and when cleaning the coffee machine—analyzing one by one the causes such as improper pressure release, grinding too fine, overdosing, and not locking the portafilter tightly, and offering corresponding prevention and operating suggestions to help you enjoy espresso safely and steadily. [more…]

As coffee culture becomes increasingly widespread, more and more households are purchasing espresso machines, but most users are not industry professionals and know very little about equipment cleaning and maintenance. Failure to clean regularly over time can lead to weakened steam, uneven water flow from the group head, unstable extraction pressure, and even portafilter leaks. In this article, Front Street will systematically share daily maintenance and deep cleaning methods for coffee machines, covering routine cleaning of the steam wand, dispersion screen, and portafilter, as well as deep maintenance essentials such as backflushing the pipes, replacing gaskets, and maintaining the water tank filter—helping your coffee machine run stably for the long term and avoiding unnecessary repair costs. [more…]

Many people buy an espresso machine without really knowing how to maintain it. If it isn't cleaned for a long time, the steam will weaken, the brew head will dispense water unevenly, the extraction pressure will fluctuate, and the portafilter may even leak after being locked in. Today, Front Street Coffee will talk about how to do daily maintenance and deep cleaning of home espresso machines, so the machine lasts longer and you save on unnecessary repair costs. The article will start with the daily cleaning of the steam wand, shower screen, and portafilter, then introduce deep maintenance methods such as soaking the steam wand, backflushing the pipes, replacing the gaskets, and maintaining the water tank filter, helping you take proper care of your espresso machine. [more…]

As the saying goes, "To do a good job, one must first sharpen one's tools." Many coffee enthusiasts, when scrolling online and coming across various functional coffee gadgets, are often drawn in by their good looks and labels like "must-have神器" and "extraction aid," and can't resist adding them to their shopping carts. But after buying them and bringing them home, they discover that most of these things end up as "beautiful junk." To make a delicious cup of coffee, how many tools do you actually need? Does having more complete equipment and more professional gear make coffee taste better? This article reviews eight types of auxiliary tools—portafilter basket cleaning brushes, automatic portafilter cleaners, portafilter basket storage racks, portafilter basket tamping aids, portafilter scale stands, automatic drip bag brewing machines, small stainless steel bean hoppers, and filter paper presses—analyzing their practicality and their uselessness one by one, to help you avoid unnecessary expenses. [more…]

Erratic pressure during extraction, weakening steam, and milk foam that just won't froth up no matter what—these problems are often not a sign of declining skill, but rather that your espresso machine is due for maintenance. Drawing on Front Street's practical experience, this article systematically lays out the daily and deep cleaning routines for espresso machines: including flushing hot water before and after extraction, wiping the steam wand, backflushing, soaking the steam tip to remove scale, as well as how to judge when the group head gasket is wearing out and how to replace it yourself. It also covers the key cleaning points and recommended intervals for the water tank, boiler, and portafilter, helping you keep your espresso machine producing consistent shots and extend its service life. [more…]

Many coffee enthusiasts operating semi-automatic espresso machines at home will notice a detail: the first espresso extracted right after the machine is turned on is often poured straight down the drain. This is not waste, but an early-tuning routine followed by both professional coffee shops and experienced home baristas. Why exactly can't this espresso be drunk? What systematic preparatory work do coffee shops do before officially opening? What role does espresso cleaning powder play in this? This article will focus on the daily startup routine of espresso machines, explain why the first shot of espresso is discarded, and comprehensively lay out the standard steps for in-store morning tuning, while also explaining the uses of cleaning powder and recommendations for choosing it. The article will also draw on the practical experience of Front Street Coffee to help everyone develop a correct mindset for coffee machine maintenance. [more…]

When using an espresso machine, some users encounter a situation where the portafilter suddenly flies off the brew head as if ejected by pressure, scattering coffee grounds all over the counter—this is what's commonly called a "blowout." Front Street Coffee has received similar feedback on multiple occasions, and the causes of this phenomenon fall mainly into three categories: improper operation, aging components, and inadequate pressure release. Regardless of the cause, a blowout not only increases cleaning burden but also poses a safety hazard. This article will analyze specific triggers one by one—including an insufficiently locked portafilter, aging gaskets, and inadequate pressure release—and provide corresponding solutions, such as correct locking force, gasket replacement intervals, and pressure-release waiting techniques, to help coffee enthusiasts complete extraction safely and consistently. [more…]

Recently, a "blind box milk tea" made by a company cleaning lady in Hangzhou has trended on Weibo, selling for only 5 yuan per cup, prompting employees across the company to queue up and snap it up daily. The lady learned to make it herself because her daughter loves milk tea, and set up a stall in the office pantry; business became so booming that she had no time for square dancing. Coincidentally, in April this year, the blind box milk tea launched by the Mixue brand in Qingdao also went viral, driving the store's daily revenue from 3,000 yuan to over 10,000 yuan. The blind box economy has shown staggering cross-industry appeal in recent years—from toys to milk tea, it seems to make anything it touches a hit. This article will walk you through the story of blind box milk tea's rise, analyze the origins, characteristics, and underlying marketing logic of the blind box economy, and explore how brands can use blind boxes to achieve long-term business success. [more…]

Recently, a video of Luckin Coffee store employees dumping large amounts of waste ice from cleaning the ice machine under the street trees in front of the store has sparked heated discussion on social media. On one hand, there is the practical difficulty employees face in disposing of excess ice; on the other, netizens are worried about the health of the trees. Is dumping ice a way to make full use of resources or is it harming the greenery? The landscaping department has offered a professional opinion on this, and behind the incident it also reflects a management blind spot in the waste ice disposal process at chain coffee stores. [more…]