October 24, 2026

Introduction:When using the V60 #01 dripper for pour over coffee, changes in coffee dosage directly affect extraction performance and flavor expression. This article analyzes the differences among three dosages—10g, 15g, and 25g—through practical testing, and explains how to adjust water temperature, grind size, pouring technique, and time to ensure a balanced extraction whether brewing for one or several people. It also provides practical advice on dripper selection and common issues.

V60 #01 DripperThe standard design is ideal for 1–2 servings, with a recommended coffee dosage of 15–20g. However, adjustments are often needed in real usage. When the dosage changes but original parameters remain unchanged, it may lead to uneven extraction or flavor defects. The following experiment illustrates key adjustment points for different dosages.

The experiment used Ethiopian Yirgacheffe Natural Red Cherry as an example, with fixed conditions:V60 #01 dripper, 90°C water temperature, medium-fine grind (80% through a #20 sieve), and circular pouring, with only the coffee dosage varied to 10g, 15g, and 25g to observe their effects on flavor and extraction.

First, note the basic steps:Before brewing, wet the filter paper with hot water, which helps preheat both the dripper and server while avoiding paper taste interference. Then adjust parameters based on the dosage—

【10g dosage】First pour 20g for a 20-second bloom, then pour up to 150g total, with a total brew time of 1 minute 35 seconds. However, due to the small dosage, the coffee bed tends to distribute unevenly, with some water failing to fully extract flavors, resulting in a flat flavor profile, showing only citrus acidity and honey aftertaste, lacking the body expected from natural processing.

The improvement method isto use a finer stream (4–5g per second, as fine as 7–8g if needed), reducing the settling of the coffee bed caused by pouring impact and ensuring even saturation.

【15g dosage】First pour 30g for a 30-second bloom, then pour up to 225g total, with a brew time of 2 minutes. At this dosage, the dominant notes are bright berry-like acidity and sweetness, accompanied by fermentation aromas and almond notes, with rich layers and a smooth mouthfeel—it’s the most recommended standard range for single servings.

On the other hand, 【25g dosage】first pour 50g for a 40-second bloom, then pour up to 375g total, with a brew time of 2 minutes 36 seconds. Due to the excessive dosage, the gaps between coffee particles become smaller, water channels are obstructed, and the bottom layer of the coffee bed becomes too thick, leading to uneven extraction. This results in almond bitterness and tea-like flavors, and even a risk of overflow due to high liquid level (,,,), along with an unbalanced flavor and astringency.

The solution isto adjust the grind to 75% through a #20 sieve (slightly coarser), increasing water channels, or to switch directly to the more spaciousV60 #02 dripperfor more stable extraction.

In summary, when using the V60 #01, it’s best to maintain a coffee dosage of 15–20g. If adjustments are needed, be sure to simultaneously modify water flow rate, grind size, and pouring strategy to ensure that each cup of pour over coffee delivers the desired flavor.

The above content is compiled by CoffeeHunters, a coffee news website.

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