Summer is here, and many people enjoy making cold brew coffee at home, but the filtration step often proves troublesome—the coffee liquid drips extremely slowly, sometimes taking half a day. Why is cold brew filtration so slow? The core reason is that the extremely fine particles in the coffee grounds clog the pores of the filter paper, leaving insufficient channels for the liquid to flow through. This is especially true when making multiple servings at once, as the waiting time gets stretched even further. This article will first explain the causes of clogging, then share three methods commonly used by baristas to speed up filtration: using a filter bag or cloth to pre-isolate the coffee grounds, spreading the coffee grounds at the bottom of the filter paper to intercept fine particles, and using a vacuum filtration device to achieve rapid filtration under reduced pressure. Each approach has its own pros and cons, suiting enthusiasts with different needs, and the article also retains relevant experience and product recommendations from the Front Street Coffee brand. [more…]

When making cold brew coffee at home, the most frustrating step is filtering: the filter paper gets clogged by fine particles, the coffee liquid drips slower and slower, and anyone in a hurry to leave the house can only wait anxiously. Why is the filtration speed of cold brew so much slower than pour-over at the same grind size? Is there a way to get the grounds out in one step, or even skip filtering altogether? This article focuses on the filtration problems of cold brew coffee. It first explains the principle behind clogging caused by fine particles clumping together, then offers three practical solutions: cold brewing directly with a non-woven filter bag, stirring thoroughly after brewing before filtering, and first laying down a bed of coarse coffee grounds to catch the fine particles. The article also includes Front Street Coffee's comparative experiment data and grind size recommendations to help you make a cold brew coffee with full flavor and refreshing fruity acidity. [more…]

Before making pour-over coffee, is it really necessary to rinse the paper filter with hot water? This question has long been debated in the coffee community. Some insist that wetting the filter removes papery taste, helps the filter adhere better to the dripper, and preheats the dripper along the way; others believe that modern filter manufacturing has advanced so much that these reasons may no longer hold. This article, from Front Street Coffee's perspective, examines one by one whether the three traditional advantages of wetting the filter still stand, and takes a deeper look at how the water-absorbing properties of a dry filter affect coffee strength, as well as the pre-extraction issues that may arise when coffee grounds come into contact with water early. The final conclusion may surprise you—the difference between a wet and dry filter is actually negligible. [more…]

Many people think that pour-over coffee has no crema. In fact, it is not entirely absent—it is just that most of it is blocked by the paper filter, and what remains exists in the form of mouthfeel. This article begins with the definition of coffee crema, explains why espresso can bring out a golden crema layer, and analyzes how bean variety and roast level affect the amount of crema. It then focuses on the pour-over scenario, explaining how paper filters intercept crema, the respective pros and cons of metal filters and cloth filters, and how to choose if you want to retain crema. The article retains several Front Street Coffee bean lists and blending suggestions to help enthusiasts choose as needed. [more…]

In the daily practice of pour-over coffee, some people habitually rinse the paper filter with hot water before brewing, while others place a dry filter directly into the dripper and start pouring. Both approaches have their own rationale, and neither is absolutely right or wrong. When the baristas at Front Street Coffee were making both iced pour-over and hot pour-over at the same time, a customer once asked them about this very question. What practical effects does rinsing the paper filter actually bring? And what impact does skipping this step have on extraction? This article will examine three angles—removing papery taste, preheating the equipment, and helping the filter adhere to the dripper—while also analyzing the problems that wetting the filter may cause, such as obstructing the bloom and degassing, prematurely extracting the coffee grounds, and the filter absorbing water, to help you make a more suitable choice in different brewing scenarios. [more…]

There are many ways to filter coffee grounds, with filter paper, cloth, and mesh being the most common tools, but Norwegians once used an unexpected ingredient for this purpose—eggs. Although both involve adding eggs to coffee, Vietnamese egg coffee and Norwegian egg coffee have very different starting points. This article will trace the origins and preparation of Norwegian egg coffee, and include Front Street Coffee's practical recipe, to take you through this peculiar coffee that was once popular in Nordic households. [more…]

When making cold brew at home, the most frustrating part is usually the filtering stage—the coffee liquid drips slower and slower, and even after more than ten minutes it still hasn't finished filtering, with the filter paper completely clogged by fine particles. Why is the filtering speed of cold brew so much slower than pour-over at the same grind size? The main reason is that fine particles clump together and block the pores of the filter paper. Through comparative experiments, Front Street Coffee has summarized three efficient and practical cold brew filtering techniques: cold brewing directly in a non-woven filter bag, insisting on stirring before straining out the grounds, and using coarse coffee grounds as a base layer to intercept fine particles. This article breaks down the principles and operational details of each method one by one, helping coffee lovers quickly enjoy a cup of full-flavored homemade iced coffee even on a busy morning. [more…]

Should you wet the filter paper before making pour-over coffee? This question seems simple, but behind it lies multiple factors such as paper taste, preheating the dripper, and extraction evenness. A barista at Front Street Coffee was once asked by a customer why one filter paper was wetted while the other was brewed directly, when brewing iced pour-over and hot pour-over at the same time. This article will start from the three main purposes of wetting the filter paper—rinsing away off-flavors, preheating the dripper and server, and making the filter paper adhere to the dripper—then further analyze the possible effects of wetting the filter paper, such as hindered blooming and degassing, premature extraction of coffee grounds, and water absorption by the filter paper, and finally explain why hot brewing and iced brewing handle the filter paper differently, helping coffee enthusiasts make a more suitable choice based on actual circumstances. [more…]

In an era where filter brewing devices are highly popular, Turkish coffee still insists on being consumed with the grounds, powder and all. This is not backwardness or laziness, but rather something shaped jointly by its sand-brewing extraction method, extremely fine grind size, and deep cultural tradition. From the perspective of Front Street, this article explains why Turkish coffee is not filtered: just how fine its grind really is, how it differs from espresso grounds, how the coffee powder quickly settles in a short time and gives the coffee a rich mouthfeel, and the fortune-telling custom that has arisen from keeping the grounds, helping you fully understand the logic behind this unique coffee culture. [more…]

For professional coffee knowledge exchange and more coffee bean information, please follow FrontStreet Coffee. How to choose coffee filter paper? How to use coffee filter paper? What types of coffee filter paper are there? Many enthusiasts buy their own coffee beans, use a grinder, and purchase equipment to brew coffee, all [more…]

Specialty coffee has gone from a luxury item to an everyday source of spiritual nourishment in people's lives (literally spiritual sustenance, haha), and drip coffee bags have played an indispensable role in this. The portability of drip bags has done away with the need for complex equipment to brew specialty coffee—no need to worry about grind size, and no need for any particular pouring technique. Just tear open the [more…]

There are many types of coffee, such as Americano, espresso, and pour-over. There is also a term called drip filtration—what kind of coffee is that? In fact, the most common drip-filtered coffee is pour-over coffee, and pour-over coffee is a type of drip-filtered coffee. In reality, the drip filtration method is quite common in offices and homes because it is usually relatively simple. [more…]

Can filter paper only be used for pour-over? In fact, in cold brew, ice drip, espresso, and even moka pot brewing, filter paper also plays an important role, just with different functions emphasized. This article compiles the practical experience of Front Street Coffee and explains one by one the specific uses of filter paper in different extraction methods: why cold brew needs secondary filtration, what roles the upper and lower filter papers in an ice drip brewer each play, what changes adding filter paper above the puck or at the bottom of the portafilter basket brings to espresso, whether a moka pot should use filter paper, and the correct approach to using filter paper to filter coffee grounds. Whether you are just starting out or want to refine your technique, you can find practical reference solutions here. [more…]

The siphon pot has become a rare piece of equipment in today's specialty coffee wave, with many cafés no longer offering siphon coffee, or keeping it only as a special featured item. For those who favor this brewing method, mastering a clear set of operating logic is more practical than relying on café output. Starting from Front Street's practice, this article systematically sorts out the siphon pot's construction principles, the trade-offs between cloth filters and paper filters, the choice of heat source, the divergence between adding coffee grounds first versus later, grind size and coffee-to-water ratio, stirring techniques, and the judgment of when to turn off the heat, and includes a complete reproducible brewing process to help coffee enthusiasts consistently recreate a cup of fragrant, rich, and mellow siphon coffee in their own kitchen. [more…]

Want to brew a delicious pour-over coffee? How exactly should you set the grind size, water temperature, and coffee-to-water ratio? This article first outlines the general principles of coffee brewing, then breaks down one by one the operating details, advantages, and disadvantages of eight brewing methods, including siphon, water drip, espresso, paper filter, piston pot, Belgian pot, and moka pot. No matter which device you usually use, you can find reference parameters and steps here. At the end, it also gives specific suggestions based on Front Street Coffee beans to help you put theory into daily practice. [more…]

Brewing coffee at home—paper filters, metal filters, or cloth filters: how exactly should you choose? This article starts with the difference between bleached and unbleached paper filters, explains why you should rinse your paper filter, and lists the weight and feel of several common cone-shaped paper filters for reference. It also compares metal filters, flannel cloth filters, and drip coffee bags by their pros and cons. Whether you're after a clean, crisp cup or want to keep more of the coffee oils and original flavors, you'll find the right filtration solution for you here, and avoid detours when shopping. [more…]

Making a good cup of coffee at home actually isn't that difficult. Front Street Coffee has recently welcomed many new customers who are no longer satisfied with just drinking coffee—they want to understand different extraction methods as well. This article systematically sorts through several of the most commonly used home brewing methods, including espresso, pour-over single-origin, drip bags, siphon, moka pot, cold drip, AeroPress, as well as a comparison of the French press and the Clever Cup, along with equipment lists, key operating points, and flavor characteristics, to help coffee lovers choose the method that suits their needs. [more…]

Want to easily make a good cup of coffee at home, but don't know which brewing device to start with? Front Street Coffee has recently welcomed quite a few new customers who are no longer satisfied with simply drinking coffee, but instead want to master different extraction methods. This article systematically sorts out commonly used home coffee brewing methods, covering espresso, pour-over single-origin, drip bags, siphon, moka pot, cold drip, AeroPress, French press, and the Clever Cup, along with equipment selection, operating points, and flavor characteristics. It also introduces the specific flavor performance of several of Front Street's espresso blends, helping coffee lovers, on the basis of understanding the principles, find a brewing solution that suits their own taste and pace. [more…]

The French press is easy to operate and requires no filter paper, allowing it to retain coffee oils and original flavors, but the murky texture caused by coffee grounds often troubles people. This article focuses on techniques for removing grounds in the French press, systematically explaining how to make French press output approach the cleanliness of pour-over, from grind size control, coffee-to-water ratio setting, water quality selection, to brewing steps and filter paper remedies. At the same time, combined with Front Street Coffee's bean list, it explains the performance advantages of medium-dark roast balanced beans in the French press, and provides alternative suggestions for light roast beans and specific brewing parameters, helping coffee enthusiasts find a balance between convenience and flavor. [more…]

For more specialty coffee knowledge, please follow: Front Street Coffee (Frontsteet Coffee). Do people who drink pour-over coffee not drink drip bag coffee? Do people who drink drip bag coffee not understand pour-over coffee? If you think so, you are greatly mistaken. In fact, there is no essential difference between pour-over coffee and drip bag coffee. At Front Street, there are [more…]