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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 -
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 Water Accumulation in Espresso Portafilter After Extraction Related to Portafilter and Distribution Plate? How to Adjust Extraction Parameters?
For espresso machine owners, have you encountered this situation: after brewing, when you remove the portafilter, you find the entire coffee puck is soaking wet with significant water accumulation on the surface, and the knocked-out puck becomes a shapeless mud-like lump. Under normal circumstances, the extracted espresso coffee puck should be relatively dry, and the knocked-out puck
2024-01-30 espresso portafilter extraction coffee brewing coffee puck water accumulation -
What Causes Espresso Extraction to Be Sometimes Fast and Sometimes Slow? What's the Difference Between Tamping and Not Tamping? What Are the Consequences of an Overheated Grinder?
Sometimes fast, sometimes slow, sometimes delicious, sometimes not. Yes, FrontStreet Coffee is referring to the unstable state that can occasionally occur when pulling consecutive espresso shots. Not only does the extraction time fluctuate between fast and slow, but even the resulting coffee flavor becomes inconsistent. This is a problem that troubles many coffee enthusiasts, even when using the same
2024-08-02 espresso extraction tamping grinder overheating coffee consistency brewing techniques -
Why Not Pre-Grind Espresso Beans? What is the Shelf Life of Ground Coffee
Most coffee bean shops offer grinding services, but if you're brewing espresso, FrontStreet Coffee recommends against pre-grinding. There are two main reasons, the first being the issue of flavor loss. This is a common problem with all pre-ground coffee, but it's particularly severe when applied to espresso extraction. Generally, espresso beans...
2023-02-18 espresso beans pre-grinding ground coffee shelf life coffee freshness flavor loss FrontStreet Coffee -
How to Brew Espresso Coffee Beans: Common Problems and Solutions
Professional coffee knowledge exchange For more coffee bean information please follow Coffee Workshop (WeChat official account cafe_style ) Espresso is the key many coffee friends believe making a shot of espresso seems simple but making a perfect shot is difficult Today we mainly address common quality issues with espresso Everyone can learn more about this (Welcome to leave comments for discussion and exchange) 1 Foaming crema
2018-09-19 espresso coffee beans how to common problems solutions brewing coffee -
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 -
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 -
How to Identify Extraction Issues by Examining Espresso Crema?
As more people develop the habit of drinking coffee daily, home coffee corners have become a popular addition to households. FrontStreet Coffee frequently receives questions about issues that arise when making coffee at home. Among these, espresso crema is one of the most commonly discussed extraction concerns, so let's dive into this topic today.
2023-09-12 espresso crema extraction problems coffee brewing techniques -
How to Observe and Determine if Espresso Extraction is Correct? What to Pay Attention to Before Espresso Machine Extraction?
Adjusting espresso is a skill that every barista needs to master. Because once you're not proficient, it can be extremely challenging, especially during rainy weather. While espresso requires tasting to determine if there are flavor problems, many times we can discover issues directly through observation
2024-05-10 espresso extraction coffee brewing barista skills espresso machine coffee quality -
What Coffee Beans Are Suitable for Espresso Machines? Flavor Characteristics and Performance of Espresso Beans
Earlier, FrontStreet Coffee wrote an article titled "What Happens When You Use Light-Roast Coffee Beans for Espresso?" (you can click the link to preview it if you haven't read it). That article mainly covered how FrontStreet Coffee selected several light-roast coffee beans to make espresso and tested their feasibility. This article provides some new insights based on that previous piece.
2025-03-05 espresso machine coffee beans espresso flavor characteristics coffee brewing -
Why is the Crema from My Coffee Machine So Thin?
During espresso extraction, the emergence of crema is always a soothing sight. Especially when you see that thick, golden foam after pulling the shot—coffee art enthusiasts couldn't be happier. But if one day you discover that the extracted crema is sparse, thin, or virtually nonexistent, then there's likely a problem.
2024-12-09 coffee machine espresso crema thin crema coffee extraction -
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 -
How to Reduce Channeling in Espresso Extraction? What's the Difference Between Tamping and Distribution?
Making espresso is a therapeutic process—whether it's the evenly leveled coffee bed after distribution or the golden crema slowly flowing during extraction, both can bring us a sense of contentment. And at FrontStreet Coffee, we believe the most satisfying moment is when we tap out a complete puck from the portafilter after extraction is complete—with just a gentle "pop" sound.
2024-04-16 espresso extraction channeling tamping coffee distribution espresso techniques -
How to Replace Coffee Machine Gaskets! Why Is Espresso Machine Pressure Unstable? Why Is Espresso Machine Steam Weak? Why Isn't Milk Foam Frothy? How to Deep Clean an Espresso Machine
Sometimes when your coffee tastes bad, aside from using incorrect parameters, it might be because the coffee machine hasn't been cleaned for a long time. Occasionally, some friends might ask FrontStreet Coffee why, even when using the same amount of coffee grounds and the same grind setting for espresso, the extraction pressure fluctuates and the extraction time varies inconsistently.
2025-10-08 coffee machine maintenance espresso machine gasket replacement espresso pressure issues espresso steam problems milk frothing techniques deep cleaning espresso machine -
What Hinders Coffee Extraction? Coffee Extraction Principles and Applications
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). FrontStreet Coffee Costa Rica Coffee | Costa Rica Angel Manor Global Only 85kg | Geisha 2018 Panama Emerald Manor Red Label Natural | Blue Label Washed | Green Label Natural. Making coffee probably the most troublesome thing is how to better extract. Whether it's espresso
2018-12-12 what hinders coffee extraction principles applications -
How Should Coffee Extraction Time Be Calculated? Should Espresso Extraction Timing Start When the Coffee Machine is Activated or When Coffee Begins to Flow?
Whether it's espresso or pour-over coffee, timing questions often confuse some people. For example: When making pour-over coffee, should timing start before the bloom pour or after completing the water pour? Or when extracting espresso, should timing begin before pressing the extraction button or when coffee starts to flow?
2024-06-24 coffee extraction time espresso timing brewing methods coffee preparation barista techniques -
Espresso Basics: What is Crema
During the roasting process, coffee beans generate large amounts of carbon dioxide. Most of this gas dissipates during cooling, while a small amount remains trapped within the beans. Grinding releases these gases, which is why coffee must be prepared as quickly as possible after grinding. When hot water impacts coffee grounds under high pressure, it emulsifies the insoluble oils from the coffee grounds
2025-07-06 espresso basics fundamentals crema roasting process coffee -
How Much Pressure for Espresso Tamping? Professional Techniques for Leveling Espresso Grounds
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). Making a good espresso relies on pre-extraction details such as using a scale to control each extraction's dose, or placing another scale on the drip tray to measure the extracted coffee liquid, controlling the extraction
2025-08-16 making espresso coffee tamping pressure how much why uneven professional -
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