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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 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 -
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 -
What Causes Espresso Machine Explosions? Why Do Portafilters Blow Out During Extraction?
With the advent of affordable, compact home coffee machines, more and more people are equipping their homes with coffee machines to enjoy fresh, ground-to-order espresso anytime. However, what's increasing alongside the number of coffee machines is a series of operational issues. Recently, FrontStreet Coffee has noticed that online
2024-05-21 espresso machine safety portafilter explosion coffee extraction FrontStreet Coffee -
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 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 -
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 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 -
Why Is My Espresso Puck Wet? Causes of Slow Extraction and Water Pooling in the Portafilter
Normally, after extracting coffee, the puck should be relatively dry and come out as a complete block. However, we often find that after coffee extraction, the portafilter accumulates a large amount of water, the puck is moist and loose, and the extracted puck cannot form a solid block. Although
2024-09-23 espresso coffee extraction wet puck slow extraction portafilter issues -
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 -
Causes of Inconsistent Espresso Extraction - Does Espresso Grinder Bean Hopper Pressure Affect Coffee Flavor?
This situation is particularly noticeable in busy coffee shops. After completing all morning preparations, filling the bean hopper, and adjusting the day's espresso extraction parameters, as espresso extraction volume increases, you'll notice the flow rate becomes faster and extraction time is several seconds shorter than the planned parameters. Normally, a stable reference point is expected...
2025-07-30 espresso extraction espresso grinder bean hopper pressure coffee flavor extraction consistency -
Pour-Over Coffee Lacking Crema: Issues with Insufficient Crema in Pour-Over Coffee
Professional coffee knowledge exchange For more coffee bean information please follow Coffee Workshop (WeChat official account cafe_style) When it comes to espresso crema is an important indicator. Besides giving espresso important visual characteristics crema also changes the flavor and texture of espresso to some extent. But what actually is crema has anyone thought about this question
2019-07-23 pour-over coffee crema rich about lacking issues professional knowledge -
What is the Main Reason and Purpose of Coffee Blooming? How is Espresso "Blooming" Done?
The bloom during pour-over coffee brewing is a crucial step to release carbon dioxide from the coffee grounds, allowing subsequent water pours to better extract aromatic compounds. If this step is omitted, it will introduce many unstable factors to the subsequent extraction. In contrast, espresso extraction is relatively "forceful," directly utilizing
2024-01-27 coffee blooming espresso extraction carbon dioxide release pour over coffee -
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 -
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 -
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 -
How Long Does Moka Pot Coffee Take to Brew | What's the Correct Brewing Time for Moka Pot Coffee?
For professional coffee knowledge exchange and more coffee bean information, please follow FrontStreet Coffee (WeChat Official Account: cafe_style). The Moka pot uses the steam pressure of boiling water passing directly through the coffee puck to extract the intrinsic essence of the coffee, resulting in coffee with rich aroma and strong bitterness. The surface of the coffee
2023-01-01 Moka pot coffee time how long how many minutes correct professional knowledge -
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 -
Moka Pot Usage Guide: Six Steps, History, and Coffee Brewing Methods
Whether at home or in coffee shops, Moka pots can be seen everywhere, but do you know how to properly use a Moka pot? Today, our editor is here to share brewing tips with you. The Moka pot was invented by Luigi di Ponti in 1933, with inspiration derived from the concept of early washing machines. Previously,
2025-07-31 Moka pot usage method steps guide history brewing method introduction regardless -
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