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What Causes Espresso Machine Leaks? Why Do Coffee Machines Drip During Espresso Extraction?
Recently, many friends have provided feedback to FrontStreet Coffee's backend: "Espresso machines often experience leaking during the extraction process." This issue is actually easy to resolve once we understand the underlying principles. Normally, during espresso extraction, water within a sealed space is only subjected to pressure from the coffee machine
2025-01-19 espresso machine leaks coffee machine dripping espresso extraction coffee equipment troubleshooting barista maintenance -
What's the Right Grind Size for Espresso? What to Do When Your Espresso Machine Won't Build Pressure?
Quick question! What's the biggest difference between espresso extraction and other brewing methods like pour-over, boiling, or steeping? That's right—it's pressure! The former uses pressure-based extraction, while the latter relies on atmospheric pressure. Thanks to pressure, espresso can be extracted in an extremely short time! And that beautiful layer on top of your espresso...
2024-07-16 espresso grind size espresso machine pressure espresso extraction coffee troubleshooting -
What to Do When Espresso Lacks Crema, and What Is Espresso Crema Made Of?
What is espresso? Espresso is a very small volume of coffee that can be finished in just two or three sips. Its flavor is extremely intense, which many people find difficult to accept. The small serving size and strong flavor are reasons why espresso has limited popularity in China. However, when mixed with milk to make latte or with water to make Americano, these beverages become much more approachable and widely enjoyed.
2025-06-11 espresso crema espresso brewing coffee extraction crema formation espresso troubleshooting -
What Details Should You Pay Attention to When Extracting SOE with an Espresso Machine? How to Extract a Delicious Light-Medium Roast Espresso?
When you've had too much traditional dark roast espresso, it's natural to want to switch things up. Most people will then replace the dark roast blend in their bean hopper with flavor-focused SOE coffee beans to create distinctive, acidic coffee. These beans typically have a lighter roast degree, and if we use the same parameters as for extracting dark roast beans
2024-04-23 espresso machine SOE extraction light roast espresso specialty coffee brewing techniques -
Espresso Extraction Time Parameters Espresso Extraction Pressure Adjustment Tutorial
Espresso extraction method begins: First, remove the portafilter from the espresso machine. (Two important points to note: First, keep the portafilter locked in the group head to maintain temperature - don't place it on the cup warmer or elsewhere, as a cold portafilter during brewing will lower the water temperature and affect the coffee's flavor. Second, ensure
2025-04-13 espresso extraction coffee method technique time pressure -
What Are the Normal Extraction Time Parameters and Ratios for Espresso? Espresso Coffee Dose and Grind Size
When consumed straight, many people find espresso unbearable due to its high concentration of bitter, burnt flavors, often described as tasting like traditional Chinese medicine. However, when diluted with milk or water, it becomes much more acceptable to many palates. Unfortunately, reality is often harsh—you'll inevitably encounter coffees that remain difficult to swallow even after adding milk, or experience espresso art patterns that easily break apart.
2025-08-16 espresso extraction time coffee parameters grind size espresso dose coffee brewing -
Latte Espresso Ratios & Coffee Bean Selection | Common Milk Frothing Issues
Professional barista discussions - Follow Coffee Workshop (WeChat Official Account: cafe_style). When drinking coffee, various names like latte, cappuccino, mocha, americano, espresso, macchiato can be confusing. What's the difference between these coffees? Is it the milk-to-coffee ratio? This comprehensive guide helps you understand! Meanwhile, coffee preferences vary across different regions...
2017-08-31 common coffee beverages ingredients analysis comprehensive guide understanding various espresso -
What Causes Clumping in Espresso Crema? Pay Attention to These Details When Extracting Espresso!
The "golden armor" of espresso--Crema, is a wonderful product unique to pressurized extraction. Its presence not only provides an excellent "canvas" for coffee latte art but also makes the coffee taste richer and fuller. Of course, as FrontStreet Coffee often says, this is on the premise that the crema quality is up to standard.
2024-06-10 espresso crema extraction troubleshooting coffee tips -
Espresso Extraction Issues Collection! Why Can't Pressure Build Up? Why Won't Espresso Produce Crema?
FrontStreet Coffee's backend has accumulated another batch of espresso extraction questions. While there are many private messages, the problems are mostly similar. So, without further ado! Today FrontStreet Coffee will compile these issues into a comprehensive collection with simple solutions. Corresponding article links will be included throughout the text for everyone's reference.
2024-08-20 espresso extraction issues pressure problems crema coffee troubleshooting -
What Causes Clumped Espresso Crema? Why Doesn't Espresso Coffee Puck Form Properly?
Hello everyone, today FrontStreet Coffee is sharing a comprehensive collection of common issues that arise during espresso extraction—Version 2.0. It has been over half a year since we shared our post "Common Problems in Espresso Extraction「1.0」," and as for why it took so long to share the second
2025-06-22 espresso crema coffee puck extraction brewing issues coffee troubleshooting -
What to Do When Your Coffee Grinder Gets Stuck? How to Fix an Espresso Grinder That Won't Dispense Coffee? Espresso Grinder Adjustment Logic!
"Dialing in espresso" is a workflow that gives every morning shift barista a headache. The difficulty of grinder adjustment doesn't entirely depend on the barista's experience level, but also on the condition of the beans and weather conditions. Even an experienced coffee veteran with years in the industry sometimes spends significant time on grinder adjustments due to these factors.
2024-11-05 coffee grinder stuck espresso grinder not dispensing grinder adjustment espresso extraction coffee machine troubleshooting grinder maintenance -
Why Does Moka Pot Coffee Taste Burnt? How to Adjust Over-Extracted Moka Pot Coffee? What to Do When Moka Pot Coffee is Scorched? Why Does Moka Pot Coffee Easily Over-Extract?
FrontStreet Coffee discovered that many friends are troubled by the problem of frequent over-extraction in moka pot coffee. Because whenever FrontStreet Coffee shares posts related to moka pots, friends leave comments in the comment section such as: 'How to avoid over-extraction in moka pot coffee' or 'Why is the extracted coffee so bitter' and other questions. Indeed, compared to its
2025-09-10 moka pot coffee burnt coffee taste over-extracted coffee coffee brewing coffee troubleshooting moka pot problems -
Which Tastes Better: Blue Mountain Coffee or Black Coffee? What is Blue Mountain Black Coffee and Can It Really Help with Weight Loss?
Which tastes better: Blue Mountain coffee or black coffee? First, we need to understand that black coffee refers to pure coffee without additives like white sugar or milk. Generally, authentic Blue Mountain coffee is black coffee, so they have an inclusive relationship—authentic Blue Mountain coffee is black coffee, while black coffee
2024-05-04 Blue Mountain Coffee Black Coffee Coffee Comparison Weight Loss Coffee Benefits -
Methods for Brewing High-Cleanliness Pour-Over Coffee: How to Evaluate Coffee's Cleanliness and Flavor Profile?
For pour-over single-origin coffee, while the flavor of the brew is important, cleanliness should not be overlooked. High-clarity coffee does not necessarily mean weak or thin. A cup of high-clarity coffee refers to coffee that is exceptionally clean, without off-flavors. Therefore, the lighter the coffee doesn't necessarily mean it's cleaner, nor does acidity indicate cleanliness.
2022-04-29 pour-over coffee high cleanliness coffee flavor evaluation clean coffee taste brewing methods -
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 -
How to Fix Astringency in Pour-Over Coffee | Tutorial for Adjusting Coffee-to-Water Ratio, Temperature, and Time
Introduction Sour and astringent tastes are unpleasant sensations that most people dislike. When a cup of coffee has a sour and astringent quality, it creates discomfort. This barista training guide will explore the possible reasons why pour-over coffee develops astringency. Where does the astringent sensation come from? Strictly speaking, astringency is not a taste but a mouthfeel that manifests as
2021-11-14 pour-over coffee brew astringency how to solve causes what introduction -
The Correct Way to Hold and Move for Latte Art Pours: How to Practice for Better Designs
Many coffee enthusiasts experience this frustrating situation: no matter how you move your pitcher, the latte art patterns and lines simply won't form, or when they do, they appear rather rough and unrefined! Yet others can create delicate patterns with seemingly effortless movements. At this point, many begin to wonder if it's a problem with their "hands," but actually,
2024-01-09 latte art coffee technique barista skills latte art pouring milk frothing -
What is the optimal extraction time for pour-over coffee? Does the brewing time include the blooming period?
When brewing coffee, an electronic scale is typically necessary, as scientific brewing methods require precise data. Weighing coffee grounds and measuring water volume both require the weighing function of an electronic scale. However, coffee scales also have another essential feature: a timer. That's right—when we brew coffee, we also need to use
2023-01-09 pour-over coffee extraction time brewing time blooming period coffee making electronic scale coffee brewing techniques -
Weak Pour-Over Drip Coffee? Take a Closer Look at Your Cup!
We believe everyone has stocked up on coffee drip bags for the upcoming National Day holiday, aiming to enjoy the long break free from complex brewing equipment and parameters, allowing yourself a moment to empty your mind and enjoy black coffee in the simplest way! This was also the original intention of the drip bag designer.
2023-09-30 coffee pour-over drip coffee brewing techniques coffee troubleshooting -
Drip Bag Coffee Brewing Principles and Details
For professional barista exchanges, please follow Coffee Workshop (WeChat public account: cafe_style). To brew perfect drip bags, please read the following instructions carefully: Coffee extraction principles are as follows: Higher water temperature: coffee becomes stronger and more bitter, too high will cause burnt and astringent tastes Lower water temperature: coffee becomes lighter and more acidic Smaller water flow: coffee becomes stronger, too small will cause
2025-06-15 drip bag coffee brewing principles details professional exchange follow workshop