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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 -
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 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 -
How to Adjust Espresso Dosing Grinders and Key Considerations for Coffee Grind Size Settings
A dosing grinder, as the name suggests, is a coffee grinder that can set a specific amount of coffee grounds for each grind, eliminating the step of weighing the coffee powder (time). It sounds like a more convenient grinder. But is this really the case? Dosing grinders have two working methods—by weight and by time. Most dosing grinders on the market use time-based dosing.
2024-09-15 espresso grinder dosing grinder grind size adjustment coffee grinder settings espresso preparation -
Espresso Water-to-Coffee Ratio: Characteristics and Golden Ratio Extraction Methods
Espresso Water-to-Coffee Ratio - To master the espresso extraction golden ratio, you can use a consistent coffee dose (18g as an example) in your practice and experiment with different total coffee weights. Then compare the differences in texture, clarity, and body across various ratios. You need to decide based on personal preference
2025-02-02 Espresso Concentrated Water Coffee Golden Extraction -
Why Weigh Coffee Doses After Using a Doser Grinder for Espresso?
A customer once asked: "Why do you use a doser grinder but, unlike some chain brands, weigh the grounds again after grinding before using them? Doesn't this defeat the purpose of having a doser grinder?" Before answering this question,
2023-12-12 espresso coffee grinder doser grinder coffee weighing barista techniques coffee precision -
What to Do with Clumped Coffee Powder: The Impact of Humidity on Coffee Extraction and How to Adjust Grind Settings on Rainy Days
Guide: With the recent continuous rain, Guangzhou has officially welcomed spring. Recently, some friends have asked how to adjust espresso production on rainy days. This issue of Barista Training shares how FrontStreet Coffee handles these situations, hoping to help everyone. What impacts do rainy days bring? Some might wonder why sunny and rainy days matter so much when they seem like normal weather phenomena.
2021-03-05 humidity impact coffee extraction how to adjust espresso grind guide -
How to Use an Espresso Machine! Key Considerations for Espresso Extraction! What Should You Pay Attention to When Extracting Espresso?
From grinding beans to extraction completion, making a cup of espresso takes less than 60 seconds. It might seem that creating a delicious cup of coffee is not a complicated operation. However, as FrontStreet Coffee often says, although it may appear simple, there are actually quite a few details that require attention. As the saying goes: details determine
2024-12-23 espresso machine coffee extraction barista tips coffee brewing -
Key Considerations in Espresso Making Process? How to Make Delicious SOE Espresso?
Professional coffee knowledge exchange For more coffee bean information Please follow Coffee Workshop (WeChat official account cafe_style) Key considerations in espresso making process? How to make it delicious? When we watch them make espresso in coffee shops, they directly drop ground coffee powder into the filter, use their hands to level the coffee powder even with the cup rim, then apply pressure with a tamper to compress it into a coffee puck. The pressure application
2018-06-23 espresso coffee making process considerations how to make delicious SOE single origin espresso -
Why Do Iced Americanos Taste Different at Coffee Shops? How to Make a Standard Iced Americano?
"Did you change the beans? This Americano seems..." Many baristas feel somewhat uneasy when they hear this sentence, fearing that the customer might follow up with negative descriptions like "too bitter," "too astringent," or "unpleasant to drink." They tentatively ask if there's any problem, until they hear
2024-12-12 iced americano coffee shop brewing standards espresso extraction coffee quality barista techniques -
What Impact Does Rainy Weather Have on Espresso? What Key Steps Should You Pay Attention to When Making Espresso?
What makes baristas groan early in the morning? And what could possibly make even the most caffeine-resistant baristas develop caffeine aversion? After FrontStreet Coffee's thorough investigation, we finally identified the culprit: damp, rainy weather! The dry, cold weather hasn't even passed yet, and now we have foggy days to deal with too.
2024-01-09 espresso rainy weather coffee brewing barista tips weather impact -
How to Adjust Espresso in Humid Weather? How to Make Espresso Parameters Taste Good?
Guangzhou has entered the damp 'return to the south' season, with walls covered in water droplets, floors that never dry, and clothes that become damper the longer they hang. And of course, there are the coffee beans that are most afraid of moisture. How does the 'return to the south' season affect espresso production? Baristas who work at the counter should have deep experience with this. In daily weather with small temperature differences and dry conditions, extracting espresso
2022-03-26 espresso humid weather coffee extraction barista tips coffee brewing parameters -
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 -
What is the Grind Size for Espresso? Reference Guide for Espresso Machine Extraction Grind Sizes
Guide: Coffee grind size is a factor that can be quite challenging. Many issues that arise during brewing stem from inaccurate grind size control. For pour-over coffee grind size, FrontStreet Coffee recommends using a #20 (0.85mm) standard sieve for calibration, with an 80% pass rate (using 10g of coffee
2023-01-17 espresso grind coffee extraction machine reference grind size guide -
Why Coffee Machine Coffee Isn't Strong & Why Espresso Needs Daily Calibration
"Why do we need to calibrate espresso extraction parameters every day? It's the same batch of coffee beans, the same machine, the same extraction plan, so shouldn't everything remain constant?" Actually, things do change! You might not notice it in just a day or two, but by the time you do discover the problem, who knows how many customers have already been served unpleasant coffee~
2021-10-24 espresso calibration coffee extraction daily adjustment coffee machine flavor consistency -
How Important is Coffee Extraction Time? What's the Connection Between Espresso Grinding and Time?
Coffee extraction, as we commonly refer to it, is the process of using water as a medium to dissolve flavor compounds from coffee grounds. It's important to understand that this extraction process requires time - the longer the extraction time, the more substances are dissolved. However, not all compounds in coffee are meant to be extracted. Therefore, we need to...
2024-04-27 coffee extraction espresso brewing time grind size coffee science -
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 -
Espresso Extraction Tutorial: Parameter Adjustment and How to Judge Good Espresso
For those who run coffee shops, you probably understand the feeling of tasting espresso until exhaustion every morning, unable to achieve your desired flavor despite反复调整磨豆机. Outsiders might envy baristas for having endless coffee, but only those in the industry know the true struggle... Perhaps FrontStreet Coffee can offer everyone some small insights.
2021-12-05 espresso extraction tutorial coffee brewing parameters taste evaluation -
Domestic Coffee Machine Building Blocks Review: Which Brand of Coffee Machine and Grinder Works Best?
For more professional coffee knowledge and coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). For more specialty coffee beans, please add FrontStreet Coffee's private WeChat account: qjcoffeexHello, everyone! That Ari who specializes in wallet-draining reviews is here again
2022-09-07 coffee machine review domestic coffee equipment coffee grinder FrontStreet Coffee -
Why is Espresso Hard to Dial in on Rainy Days? What Are the Causes of Poor Espresso Extraction from Coffee Machines?
As temperatures gradually rise and frequent rainy weather arrives, this means Guangdong has already stepped into the realm of spring. Do you think FrontStreet Coffee is going to praise this season of revival? No! In these continuous spring rains, for those who have to work early shifts and dial in coffee early, it will be a time of drinking espresso until satisfaction
2025-02-07 espresso extraction rainy day coffee espresso machine brewing challenges weather effects on coffee