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Why Does the Coffee Puck Stick to the Group Head? Does a Puck Stuck to the Shower Screen Affect Espresso?
A few days ago, FrontStreet Coffee shared "Reasons for Water Pooling in the Portafilter," and some friends asked, "What causes the coffee puck to stick to the group head after extraction?" Therefore, FrontStreet Coffee is here to discuss why this situation occurs. - Too much coffee dose This is the easiest problem to identify, and it's also the issue with the smallest impact.
2022-09-24 espresso troubleshooting coffee puck sticking group head issues espresso extraction -
Espresso Machine Cleaning Steps: How Long Should Backflushing Take?
Baristas inevitably encounter this challenge: after fine-tuning espresso extraction parameters in the morning, they become inaccurate by midday, with noticeably slower coffee flow. FrontStreet Coffee has previously addressed this issue with two possible explanations: first, during rainy weather with higher air humidity, conditions inside the bean hopper change
2024-09-15 espresso machine cleaning backflushing coffee extraction parameters coffee flow rate humidity effects -
Precautions for Using Espresso Machines! What Are the Essential Factors Before Espresso Extraction? Why Should You Run Water Before Espresso Extraction?
While the process of making espresso may seem quite simple, there are actually numerous details to pay attention to during operation! This is a phrase that FrontStreet Coffee often mentions. Indeed, this includes how to distribute coffee grounds evenly when dosing, how to apply even pressure when tamping, or how to froth a proper portion of milk
2024-12-07 espresso machine espresso extraction coffee brewing FrontStreet Coffee -
Why can't an 18g portafilter hold 18g of coffee grounds? What's the ideal grind size for espresso? How to determine if coffee beans are ground to the right consistency?
Many friends took advantage of shopping festivals to purchase home coffee machines, but when they installed the coffee machines at home, they discovered that operating them wasn't as simple as imagined. Either no water comes out from somewhere, or something doesn't fit properly. As a result, some friends who live near FrontStreet Coffee's store directly visit to consult...
2024-11-02 coffee portafilter espresso grind size coffee beans consistency home coffee machine FrontStreet Coffee -
Espresso Machine Clean Backflush Procedure Semi-Automatic Espresso Machine Maintenance Tutorial
Machines that aren't properly maintained are prone to breakdowns. This applies equally to coffee machines. If one day you notice that your coffee tastes off or that the extraction seems unusual, it could indicate a serious problem with your coffee machine. Therefore, we should perform regular cleaning to prevent these issues from occurring. This can be divided into daily cleaning and
2022-02-26 espresso machine maintenance backflushing coffee machine cleaning semi-automatic espresso machine coffee equipment care -
Espresso Coffee Extraction Steps and Process, Important Details for Making Espresso, Italian Coffee Drinking Methods
Introduction Espresso coffee is a high-concentration coffee extracted by an espresso machine under pressure, serving as the base for popular café beverages like Americano and latte. In recent years, many coffee enthusiasts have also equipped their homes with an espresso machine. Of course, extracting qualified espresso is not a simple task. Today, FrontStreet Coffee will share some tips for extracting espresso. Production
2021-07-19 Italian espresso coffee extraction steps process making attention details drinking methods -
How Many Milliliters in a Shot of Espresso - Common Espresso Extraction Problems and Correct Methods
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). Common espresso extraction problems include over-extraction. First, it's essential to understand the concept of extraction rate. According to
2025-05-18 espresso shot milliliters extraction problems methods professional coffee brewing -
Is it normal to have coffee grounds at the bottom of a latte? How to solve the issue of powder residue in espresso extraction?
Have you ever encountered this situation: after finishing your coffee, you look at the bottom of the cup and find some fine powder particles settled; sometimes when you buy an iced latte from a shop, you also find black residue at the bottom. Is this normal? Does it affect consumption? These black powder particles deposited at the bottom of the coffee cup,
2023-06-19 coffee grounds latte espresso extraction coffee residue coffee particles -
Espresso Brewing Process Considerations: Extraction Techniques and Tamping Pressure Standards
Tamping is a crucial step in the espresso brewing process. The importance and requirements of tamping have been previously discussed. But is greater force always better when tamping? What factors determine the appropriate tamping pressure? Theoretically, as the grind size of coffee beans varies - that is, as the coffee grind fineness changes
2025-07-30 Espresso brewing Italian-style coffee tamping pressure techniques puck compression -
Why Does Espresso Spray Out? How to Make Standard Espresso at Home?
FrontStreet Coffee remembers using a bottomless portafilter when first trying an espresso machine. Imitating the instructor's techniques and pressing the extraction button, I saw the first drop of espresso slowly fall into the cup, happily thinking this shot was secured. But unexpectedly, the vertical liquid stream suddenly sprayed out a very light-colored, thin water stream, and the coffee's flow rate
2024-06-05 espresso spray espresso extraction home espresso espresso technique -
Who Should Drink Espresso? Proper Extraction Methods and Important Considerations for Italian Coffee
As high-performance coffee machines become more compact and suitable for home use, many coffee enthusiasts have embraced the world of espresso. FrontStreet Coffee therefore shares common issues that arise when making espresso at home.
2025-07-29 espresso italian coffee extraction methods home espresso coffee brewing -
Is It Normal to Have Coffee Grounds in Your Coffee? Will Portafilter Baskets Deform? How Fine Are Fine Grounds?
When we drink espresso, we often notice some black particles at the bottom of the cup, especially in milk-based coffee drinks where these black specks are more conspicuous due to color contrast. Whether it's casual home brewing or professional coffee shop preparation, these particles tend to appear consistently
2024-08-02 coffee grounds espresso portafilter fine coffee grounds coffee brewing -
How to Drink Blue Mountain Coffee: Can Blue Mountain Coffee Beans Be Used for SOE?
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). Genuine [Jamaica Blue Mountain] coffee is certified. Clifton Mountain Estate is the only coffee estate that has received Rainforest Alliance (RFA) certification. Only those that meet the standards of sustainable agricultural systems can obtain this certification.
2025-08-26 Blue Mountain coffee brewing method coffee beans SOE Single Origin Espresso professional knowledge -
Nestlé Launches 2023 Latest Coffee Development Plan!
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more specialty coffee beans, please add FrontStreet Coffee's private WeChat, ID: qjcoffeex. According to a report by Interface News, food giant Nestlé issued a statement on October 4th, launching—Nestlé
2022-10-06 coffee development Nestlé coffee industry coffee news -
How Much Pressure Should Be Applied When Tamping Espresso? Espresso Extraction Ratio, Grind Size, and Parameters
How much pressure should be applied when tamping espresso for optimal brewing? There's also another situation that becomes more apparent when using a double spout portafilter. When the coffee extraction goes smoothly, with a steady and fine flow, and it takes slightly longer to extract 30cc of coffee (over 30 seconds), this generally indicates no issues based on what was mentioned above. However, upon removing the portafilter, you'll discover that
2016-12-19 espresso tamping pressure brewing method espresso extraction coffee parameters -
Food Delivery Industry Enters Intense Competition! Meituan Delivery Trials Drone Delivery to Ensure Coffee Quality
Today a citizen in Shanghai captured coffee "flying" in the sky?! Oh... it turns out a drone was "holding" coffee and delivering it to users! On November 26th, the 3rd East China UAV Base Innovation and Development Forum was held in Jinshan, Shanghai, discussing topics such as East China UAV airport planning and industrial applications of UAV cluster intelligence.
2021-11-26 drone delivery food delivery Meituan coffee delivery technology innovation -
64% Loss! Behind Tims China's NASDAQ Listing Lies Massive Capital Deficit
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more premium coffee beans, please add FrontStreet Coffee's private WeChat: qjcoffeex. Today marks one month since Tims China's NASDAQ listing. However, as of now,...
2022-10-31 Tims China NASDAQ capital loss coffee market stock performance business analysis -
What Causes Water Accumulation in the Portafilter Basket After Espresso Extraction and How to Solve It
A friend with an espresso machine asked FrontStreet Coffee, "I've been encountering an issue when extracting espresso recently. After extraction, when I remove the portafilter, I notice water accumulation in the basket, and the extracted coffee puck isn't intact—it's quite wet?" He then mentioned, "At first, I thought the coffee grounds were too fine, so I adjusted the grinder to a coarser setting, but still..."
2022-09-19 espresso machine portafilter water accumulation extraction problems coffee puck grind size -
What is Bulletproof Coffee? What are its benefits, how should it be consumed for weight loss, and is it harmful to the body?
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). What is Bulletproof Coffee? Is it some new American military invention, a type of coffee that makes you bulletproof after drinking it? Obviously not. Bulletproof Coffee is actually a weight loss coffee. As for why it's called "bulletproof"
2023-04-16 bulletproof coffee what why benefits how professional knowledge -
A Cup of Mandheling: Half the History of Coffee
Many people might wonder what's so special about Mandheling coffee, considering its challenging taste. From a flavor perspective, today's popular specialty coffee scene is often introduced through Yirgacheffe, which distinguishes itself from traditional coffee with its bright, fruity acidity that leaves a lasting impression. This trend has only just begun to gain momentum in recent years, as FrontStreet Coffee
2024-07-23 Mandheling coffee history specialty coffee flavor profile FrontStreet Coffee