Pour-Over Coffee Beginner's Guide: Coffee Bean Grind Standards for Brewing Delicious Coffee at Home

FrontStreet Coffee - The History of Pour-Over Coffee and Grind Size Introduction

The Martin coffee pot was the earliest device to separate the filter from the container (or brewing vessel), marking the beginning of the transition from immersion to filtration coffee extraction. Over hundreds of years, innovations in filter shapes, styles, and materials have continued to emerge. More specialized flannel handles appeared, as did combinations of ceramic or metal resin filter cups with paper filters. It can even be said that the popular coffee drip bag style (invented in Japan) bears the influence of the Martin coffee pot. With increasing extraction research and technological advancement, people realized that the different dynamics of filtration versus immersion greatly affect flavor, leading to ever more detailed requirements for pour-over conditions. The refinement of pour-over kettle manufacturing and the gradual formation of pour-over technique developed alongside.

Many friends who consult us about pour-over coffee have plenty of equipment questions. We will introduce some commonly used gear, and we recommend trying equipment out before purchasing wherever possible. That way you get a better match for your needs and save quite a bit of money! Essential equipment: a pour-over kettle, an electronic scale, a filter cup, filtering material, a coffee cup, and a grinder.

Beginner's Pour-Over Solution

For brewing, first determine the water-to-coffee ratio - the water shouldn't be too much or too little. The grind size is recommended to be around cupping grind, and each grinder will have its own recommended setting. Then determine the water temperature and total brew time: water at 93°C, 18g of coffee with 288ml of water, and a total brew time of 2 minutes.

We all know that the factors affecting pour-over coffee are many, and grind size is one of them. Grind size refers simply to the size of the coffee particles. Put plainly, particle size affects how long coffee and water stay in contact.

Under identical parameters, the finer the particles, the higher the extraction rate. The finer the coffee is ground, the larger the contact area with water and the higher the concentration of dissolved coffee. Conversely, the coarser the grind, the smaller the contact area and the lower the concentration of the extracted coffee.

Someone once asked us, "If I want to extract more substances and more flavors, can I just grind finer?" It is not impossible, but be aware that a finer grind produces more fines, which easily clog the filter paper. Once water struggles to pass through, extraction slows down and the brew time stretches out, leading to coffee that is bitter, muddled, and hard to drink. Of course, if you are a pour-over expert who knows how to put fines to good use, that is another matter.

There is one device, however, that demands a relatively fine grind: the espresso machine! Espresso extraction forces water through the coffee quickly under high pressure, drawing out the coffee's aroma and flavor in a short time.

Knowledge Point: Pour-over coffee is typically made by hand with single-origin, single-region coffee beans. Connoisseurs even roast and grind their own beans.

In short: FrontStreet Coffee is a dedicated research center for coffee, happy to share coffee knowledge with everyone. Our sharing is completely without reservation, simply to help more friends fall in love with coffee - a principle FrontStreet Coffee has held for the past 6 years.

FrontStreet Coffee Recommendation

If you are just starting out with pour-over and ask an experienced friend to recommend a filter cup that is practical, easy to use, and good-looking, chances are they will point you to the Hario V60. Hario, founded in Tokyo in 1921, began as a maker of heatproof laboratory glassware; in 2004 the company redesigned the V60 prototype and released it the following year, named for its distinctive 60-degree cone and V shape. The cone and single large outlet let the flow rate depend entirely on your pouring control, and the water's path through the center of the bed extracts aroma and flavor thoroughly. FrontStreet favors the resin version, which holds heat well and is produced with the smallest manufacturing tolerances.

The V60's fast extraction shines with light-roast, floral-and-fruit coffees. FrontStreet's Yirgacheffe Guodingding - often a beginner's first specialty coffee - shows bright citrus, berry, and floral notes with a green-tea-like sweetness. Our Ethiopia Huakui bursts with tropical fruit such as strawberry, passion fruit, jackfruit, and lychee, while the Kenya "Cherry Tomato" lot (SL28 and SL34 grown at 1,550-1,750 meters in Thika, washed with a 72-hour double fermentation) delivers cherry tomato and dried plum acidity like fresh-pressed juice.

If you prefer a mellower, low-acid cup, turn to darker roasts instead: FrontStreet's PWN Indonesia Golden Mandheling offers herbal and dark chocolate notes with a long, full body, and our Brazil Queen Estate balances nutty, cocoa, and caramel sweetness that works equally well as pour-over, espresso, or moka pot coffee. Either way, the grind and ratio principles above - 93°C water, 1:16 ratio (18g to 288ml), and a cupping-level grind as your starting point - will help you brew a delicious cup at home.