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Why Espresso Machines Use 9 Bar Pressure to Extract Coffee
When FrontStreet Coffee shares knowledge about extracting espresso, we often discuss the extraction relationship between dose, ratio, grind size, and time. Once you master these 4 parameters, you can skillfully operate an espresso machine. However, there's another parameter that's often glossed over but is actually the most critical to espresso extraction
2025-07-30 espresso machine coffee extraction 9 bar pressure espresso brewing -
Why is Espresso Extraction Pressure 9 Bar? How Does It Relate to Extraction Parameters and How to Adjust?
FrontStreet Coffee often says that once we understand the relationship between espresso extraction parameters, a delicious espresso is practically effortless (slight exaggeration). These extraction parameters include grind size, dose amount, brew ratio, and extraction time. But did you know? There's actually another parameter that's quite important as well
2024-01-30 espresso extraction pressure 9 bar coffee brewing espresso parameters -
Does Tamping Pressure Affect Espresso Extraction? How Much Pressure Should You Apply When Making Espresso
Using a tamper to compact the coffee grounds is a crucial step in espresso extraction. In the past, the focus of tamping has been on achieving a level surface. Uneven tamping can easily lead to inconsistent extraction. However, opinions vary on whether tamping pressure actually affects espresso extraction. There
2023-03-09 espresso extraction tamping pressure coffee grinding espresso brewing barista techniques -
How to Adjust Unstable Espresso Machine Extraction Pressure - Espresso Machine Coffee Making Tips
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). An espresso machine is a device used to make espresso, as well as specialty coffees like lattes that combine espresso with milk. On the market, there are also semi-automatic espresso
2021-11-14 espresso machine pressure how much normal extraction insufficient pressure what causes -
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 are the characteristics of the AeroPress coffee maker? How fine should the grind be for AeroPress? What is the AeroPress operating procedure?
AeroPress, a coffee extraction device created because its inventor found brewing too troublesome. Its usage is extremely simple—just add coffee grounds and hot water after assembling the components, then press the coffee out. Compared to traditional coffee extraction methods, AeroPress offers...
2024-10-27 AeroPress coffee maker grind size brewing method coffee extraction -
Why Use 9 Bar for Espresso? How Does Pressure Affect Espresso?
Professional coffee knowledge exchange For more coffee bean information Please follow Coffee Workshop (WeChat public account cafe_style) The key to making espresso lies in pressure, and the crema, volume, and flavor of espresso all come from the effects of pressure. But why is pressure so important? How does it affect the espresso formula? Why is nine atmospheric pressure the most commonly recommended brewing pressure setting
2019-06-11 why espresso use 9bar pressure concentrated -
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 -
How to Tamp Espresso Coffee Puck? How Much Pressure Should You Apply When Tamping?
Sometimes, observing a barista's tamping technique can be incredibly satisfying! Because every barista has a different understanding of tamping, they each develop their own unique tamping motions. Creating a level coffee bed is something everyone can agree on, because once the coffee is compressed unevenly—with one side higher than the other—
2023-11-11 espresso tamping coffee puck barista techniques espresso extraction coffee pressure -
How to Solve Espresso Perforation Phenomenon? What Causes Inconsistent Espresso Flow? Why Does Espresso Machine Extraction Time Fluctuate?
As we all know, the most important task for baristas every morning upon arriving at the shop is calibrating the taste of espresso. After a night of storage, coffee beans have already changed due to their natural degassing characteristics, which affects the extraction time of espresso and may subsequently impact the flavor
2025-04-14 espresso perforation extraction coffee brewing inconsistent flow barista techniques -
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 -
How is the Double Tail from a Moka Pot Brewed? Precautions for Using a Moka Pot!
Those who frequently use Moka pots have probably heard of or witnessed the 'double tail' phenomenon! This occurs during the extraction process when the coffee flow suddenly transforms from a weak, slow stream into a forceful 'high-pressure water jet.' Then, because the Moka pot has two spouts, it creates...
2024-03-23 Moka pot double tail coffee brewing coffee extraction Moka pot tips -
Heard That Bean Quantity Affects Espresso Quality in Italian Grinders?
Many coffee shop friends frequently ask why bean hovers are often required to be filled nearly full. Does this create different effects? This brings us to the trapezoid-shaped device commonly seen on Italian grinders. The trapezoid cover sits above the grinder's burrs, and observing its appearance...
2023-09-15 espresso grinder bean quantity grinder performance coffee extraction -
How to Choose a Moka Pot - What Size Moka Pot is Right for You
Moka pots come in various sizes from one-cup to ten-cup portions, with countless options available on the market that often confuse consumers about what size to purchase. Before making your choice, let's first understand how manufacturers determine how many cups of coffee a moka pot can brew. In other words, in the manufacturer's original design
2025-06-29 moka pot coffee equipment brewing techniques -
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 -
Moka Pot Working Principle and Usage Guide: Characteristics and Taste of Coffee Brewed with Moka Pot
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). First, let's analyze the structural features of the moka pot: Moka coffee pot working principle: Uses pressure to generate water vapor from the water in the lower pot at the appropriate temperature, with the water vapor moving upward, passing through the coffee grounds
2023-01-10 moka pot working principle how to brew coffee characteristics professional -
What Are the Flavor Notes of Costa Rica CriCita Estate's Pressure Honey Process?
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat official account: cafe_style). What are the flavor notes of Costa Rica CriCita Estate's Pressure Honey Process? Does Pressure Honey Process belong to aerobic or anaerobic fermentation? ◎ Region: Western Valley ◎ Varieties: Caturra, Catuai ◎ Altitude: 1750 meters Flavor Notes: Green apple, raisin, walnut
2018-08-29 Costa Rica CriCita Estate Pressure Honey Process flavor notes fermentation -
Why Did My Coffee Machine Explode? Essential Tips for Using Espresso Machines and Replacing Gaskets
With the growing demand for coffee, many friends have purchased coffee machines for their homes, allowing them to brew a cup of coffee anytime to satisfy their cravings~ But recently, many friends have reported to FrontStreet Coffee that they occasionally experience "explosions" during use, where the portafilter suddenly releases pressure during the extraction process
2025-06-03 coffee machine explosion espresso machine safety coffee gasket replacement coffee maintenance -
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 Coffee Beans Are Best for Espresso - How to Make Perfect Espresso Coffee
For professional coffee knowledge exchange and more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). How exactly is the base concentrate for espresso made? Today I'll share some experience with everyone. ●First, we should know what factors affect the taste of espresso? (1) Water pressure Modern machines use a water
2025-08-17 espresso coffee what coffee beans how make perfect concentrate