extraction blockage Learn more about extraction blockage
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What to Do When Pour-Over Coffee Extraction Gets Blocked? How to Handle Water Pooling?
"Flow restriction" is a necessary measure when fine powder blockage occurs during pour-over brewing. If not intercepted in time, the bitter, over-extracted taste will give you a terrifying "tongue experience." However, if we can predict the signs that this brewing session is likely to cause blockage before it happens...
2023-12-27 pour-over coffee extraction blockage water pooling brewing technique -
Why Does the Liquid in the Filter Cone Become Transparent During Extraction? How to Prevent Pour-Over Coffee Blockage?
Yesterday, while browsing the internet, FrontStreet Coffee came across an intriguing question with the exact title. To summarize what the original post meant—during the brewing process, the liquid in the filter cone should ideally be in a state covered by foam with relatively low transparency, as shown in the picture below. However, sometimes...
2024-04-03 coffee brewing pour-over extraction filter cone coffee blockage FrontStreet Coffee -
What Causes Coffee Ground Blockage in Pour-Over Brewing? Why Use the Three-Stage Method? What's the Purpose of Flow Restriction?
When you notice hot water taking unusually long to permeate through the coffee grounds during brewing, and a significant amount of water remains in the filter even after exceeding most of the estimated brewing time, there's no doubt - you're experiencing a blockage! Without proper flow restriction, your coffee will likely develop some unexpected flavors!
2024-09-01 pour-over coffee coffee brewing coffee extraction three-stage brewing flow restriction -
How to Predict and Prevent Water Pooling in Pour-Over Coffee
When water pooling occurs in pour-over coffee after finishing the pour, with the drain holes blocked by coffee grounds, the only remedy is to stop the extraction by removing the filter cup to avoid over-extraction. However, if you detect signs of water pooling before completing the pour, there are many more ways to save the brew, such as adjusting your pouring technique.
2023-04-11 pour-over coffee water pooling extraction coffee brewing brewing techniques -
What Causes Pour-Over Coffee Blockage and Poor Water Flow? Why Shouldn't You Tap the Dripper? How Do Fine Particles Cause Coffee Over-Extraction?
Like FrontStreet Coffee, many friends develop a temporary "perfectionism" when brewing coffee! When they notice irregularities during the process, they always want to step in and "fix" them to make everything neat and tidy. For example, during the preparation steps before brewing coffee—wetting the filter paper! When the filter paper doesn't completely adhere to the dripper
2024-08-05 pour-over coffee coffee extraction coffee brewing coffee blockage fine coffee grounds -
How to Operate the Stirring Method for Iced Pour-Over? What Water Temperature, Ratio, and Grind Size Does Japanese-Style Iced Coffee Use?
As the climate warms and spring approaches, iced beverages gradually return to FrontStreet Coffee's focus. Customers seeking refreshment typically order iced drip, cold brew, iced Americano, and iced pour-over where they can select their preferred beans. FrontStreet Coffee has already shared numerous articles about iced pour-over techniques and has experimented extensively with various details.
2021-03-27 iced pour-over stirring method Japanese-style iced coffee water temperature brewing ratio grind size cold brew method -
How to Use a Coffee Shower Dripper? Will Strong Water Flow Cause Blockage When Pour-Over Brewing? How to Use the Stirring Method?
Many novice coffee brewers, when starting to learn coffee brewing, often struggle to control the water flow, resulting in injected hot water having excessive penetrating power! Excessive penetration greatly increases turbulence effects, which easily causes fine coffee grounds to be carried to the bottom by the water flow, blocking the filter paper, ultimately causing the coffee to become over-extracted due to excessive extraction time.
2024-06-08 Coffee brewing Pour-over coffee Coffee shower dripper Water flow control Coffee extraction Stirring method Coffee filter -
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 -
Can This Little Brewing Gadget Really Make Coffee Taste Better? How Lily Drip Affects Coffee Extraction
Pour-over coffee has long become part of most people's daily routine, and for brewing equipment that can potentially go wrong, numerous "auxiliary tools" have emerged to assist us. Today, FrontStreet Coffee brings you one of these interesting little gadgets – the LilyDrip. But who would have thought that this cone-shaped aid
2023-11-09 coffee brewing lily drip coffee extraction pour over coffee coffee gadgets frontsteet coffee -
Should You Sieve Out Fine Particles When Brewing Pour-Over Coffee? What Size of Coffee Grounds Are Considered Extra Fine? What Is the Role of Fine Particles?
It wasn't until the moment brewing became clogged that people recalled the fear of being dominated by fine particles! "Flow restriction," as a well-known technique to avoid bitterness, has everything to do with fine particles. When fine particles cause clogging during brewing, if flow restriction isn't applied in time, then
2024-06-29 pour-over coffee fine particles coffee brewing coffee grounds size coffee extraction -
How to Use a Coffee Grinder Sieve? How to Use a Sieve? What Are the Requirements for Grind Size in Pour-Over Coffee?
Professional coffee knowledge exchange. For more coffee bean information, please follow Coffee Workshop (WeChat public account: cafe_style). How to use a coffee grinder sieve? How to use a sieve? What are the requirements for grind size? Using a sieve to improve the quality of pour-over coffee. Grinding coffee is to increase the speed of coffee extraction. Different extractions
2022-12-11 coffee sieving how to use sieve grinder grind what requirements professional -
Analysis of Slow Pour-Over Coffee Flow Rate: What to Do When Coffee Won't Drain Properly?
Pour-over coffee, as a representative of drip extraction, can be seen as a process where water is first poured into coffee grounds, allowing the water to pass through the coffee layer and flow into the lower pot. With the assistance of an electronic scale, we can effectively control the pouring time. However, the total time for water to flow into the lower pot is affected by factors such as the grind size of the coffee grounds and the water absorption of the particles
2024-04-11 pour-over coffee flow rate coffee brewing extraction issues coffee clogging -
What Does Flow Restriction Mean in Pour-Over Coffee? What's the Purpose of Flow Restriction in Drip Coffee? What's the Difference Between Coffee-to-Water Ratio and Coffee-to-Brewed-Liquid Ratio?
In the coffee brewing process, the practice of removing the filter cup while there's still liquid that hasn't fully permeated through is what we call "flow restriction." Since flow restriction removes the final portion of coffee liquid, and many coffee enthusiasts believe that bitterness comes from this final portion, this technique has become
2024-12-03 pour-over coffee flow restriction drip coffee coffee brewing coffee ratios -
Can the Lily drip really make pour-over coffee taste better? How to use the Lily pearls - a tool for pour-over coffee? Can V60 drippers also use flat-bottom filters?
The pour-over coffee brewing process has a certain visual appeal that often attracts many friends to stop and watch. Among them is a young girl named Lily, who enjoys watching her father brew coffee. Until one day, in a playful mood, she suddenly had an idea and placed a glass marble into the cone-shaped filter
2024-12-28 pour-over coffee Lily drip brewing accessories V60 dripper coffee filters -
What is a Coffee Powder Bed, and How to Raise the Powder Bed in Pour-Over Coffee: Causes of Under-Extraction
In FrontStreet Coffee's articles, you'll often find the term "raising the powder bed." Many readers wonder how to raise the powder bed and why it's necessary. In the final stages of pour-over coffee brewing, sometimes coffee grounds accumulate heavily in the center of the filter, sinking to the bottom and causing "flooding" in the brewing process.
2023-07-19 coffee powder bed pour-over coffee coffee extraction coffee brewing under-extraction FrontStreet Coffee -
Does Tapping the Dripper Affect Coffee Extraction?
A single coffee bean is composed of various flavor compounds, including acidity, sweetness, bitterness, aroma, and more, each dissolving at different rates—some quickly, others slowly. To achieve a pot of coffee that captures all these delightful flavors without exhibiting the negative taste of over-extraction, we draw upon our previous brewing experience, perfecting the "fundamentals"
2023-11-09 coffee extraction dripper technique brewing method coffee flavor over-extraction -
How to Perfectly Pour-Over Light Roast Coffee? Understanding Slow Flow and Water Pooling Issues
For pour-over aficionados, crafting the perfect brewing recipe begins with assessing the coffee beans' roast degree, as each roast level presents unique extraction behaviors. Light roast beans, with their delicate roast profile, capture an abundance of floral and fruit aromatics, yet home brewing often yields only flat, one-dimensional acidity, leaving brewers questioning their technique. Light roast
2023-01-27 light roast coffee pour-over brewing coffee extraction slow flow rate water pooling -
Is Cold Brew Coffee Delicious? Which Coffee Beans Are Best for Ice Water Brewing - Cold Pour-Over Coffee Tutorial
The iced pour-over coffee shared in the past was the Japanese iced pour-over method, which is essentially hot coffee cooled with ice. In this article, FrontStreet Coffee will introduce a truly iced pour-over coffee brewed with ice water. Don't blink! Can you brew coffee with ice water? The brewing time for a normal cup of pour-over coffee is only 2-3 minutes, taking full advantage of high
2025-07-20 cold brew coffee delicious which coffee beans ice water brewing pour-over tutorial past -
What are the characteristics of Yirgacheffe coffee? Is Yirgacheffe a variety or an origin?
"Yirgacheffe" is a region that most people immediately associate with when discussing Ethiopia. Because the coffee beans from this region have such distinctive flavor profiles, Yirgacheffe has become independent from Sidamo! Furthermore, descriptions like "Yirgacheffe-flavored" have emerged. This has confused many newcomers to co
2025-06-12 Yirgacheffe coffee Ethiopia coffee origin coffee characteristics coffee variety vs origin -
Kenya Bean Roasting Method Kenya Coffee Hot Water Pour-Over Extraction Method Parameters
Recipe: Kenya AA+ Yirgacheffe G1 (100% Pure Arabica Beans) Roast: Vienna Packaging: Half-pound/bag, aluminum foil kraft paper composite packaging bag with built-in sealing clip and one-way exhaust valve Flavor: Chocolate, caramel, slight smoky taste. Frankly speaking, when it comes to Vienna level roasting,
2025-07-08 Kenya Beans Roasting Method Hot Water Extraction Baking Coffee Bean Usage Recipe