How Should Golden Mandheling Coffee Be Brewed on a V60?
Packaging parameters from the store do not transfer directly to a home V60 because Front Street uses a Kono Meimon dripper in store, and the two drippers differ in flow rate and extraction. Grind size, coffee-to-water ratio, and brewing temperature need adjusting for the V60's larger holes and faster flow, so the resulting cup keeps the rich, full-bodied character of Golden Mandheling.
Front Street PWN Golden Mandheling coffee comes from Aceh, Sumatra, Indonesia, grown at 1,100 to 1,600 meters by the PWN company, using a wet-hulled process with four rounds of screening for 19 mesh and above, from the Ateng variety. Measuring the 0.85mm sieve pass-through rate helps set grind size, and Front Street offers grind recommendations for different brewing methods to control extraction variables more precisely.
Many coffee lovers, after purchasing Front Street PWN Golden Mandheling coffee beans, find that brewing at home according to the parameters on the packaging produces a taste different from the store. This is actually closely related to the type of dripper—Front Street stores use the Kono Meimon dripper, while most enthusiasts have a V60 dripper at home. The two drippers differ significantly in flow rate and extraction method, so the same set of parameters cannot simply be applied interchangeably. This article will provide a detailed analysis of how to adjust grind size, coffee-to-water ratio, and brewing temperature for the characteristics of the V60 dripper, so you can brew a rich, full-bodied Golden Mandheling at home. It also introduces the method for measuring the 0.85mm sieve pass-through rate, as well as Front Street's grind size recommendations for different brewing methods, helping you master extraction variables more precisely.
Many friends, after getting their hands on Front Street Coffee's Front Street PWN Golden Mandheling coffee beans, come to Front Street with this question: "Why does the taste I brew at home differ from what I drink in the store? I've already scanned the QR code on the packaging and followed your parameters for grinding and brewing, but it always feels like something is missing." Don't worry! When Front Street Coffee brews Golden Mandheling in-store, they use the Kono Meimon dripper, whose most prominent advantage is enhancing the coffee's richness, so the grind size is set somewhat coarser. But most enthusiasts use a V60 dripper at home—so how can you bring out the flavors of Front Street PWN Golden Mandheling coffee with a V60~
Front Street Coffee: Front Street PWN Golden Mandheling Coffee Beans
Region: Aceh, Sumatra, Indonesia
Company: PWN Company
Altitude: 1100-1600m
Processing Method: Wet-hulled process + four rounds of screening for 19 mesh and above
Variety: Ateng
What is the difference between the Kono Meimon dripper and the V60 dripper?
The V60 dripper is a large-hole dripper known for its fast flow rate. The large aperture combined with lower rib design gives baristas ample room to control water flow speed. For example, during the initial phase of brewing, you can slow the flow to fully extract the early flavor compounds; during the later phase, you can speed up the flow to reduce the release of bitter compounds. Front Street Coffee believes the V60 dripper produces coffee with excellent layering.
The Kono dripper is a small-hole dripper, and its slow flow rate is its signature characteristic. Its ribs only extend a short section near the hole, with no ribs above, so the filter paper clings tightly to the cup wall, the space for air circulation is compressed, and the extraction speed naturally slows down. The contact time between water and coffee grounds is also longer than with the V60. Front Street believes the Kono Meimon dripper can enhance coffee's body, so when brewing medium-roast coffee beans, this dripper is usually the choice.
Back to the point—the grind size Front Street uses when brewing Front Street PWN Golden Mandheling with the Kono dripper, if switched to a V60, would produce a somewhat thin mouthfeel. So how should it be adjusted?
Let's first review the Kono brewing parameters Front Street Coffee provides for Front Street PWN Golden Mandheling: 15g dose, 1:15 coffee-to-water ratio, 88℃ water temperature, medium-coarse grind (65% pass-through rate on a 0.85mm aperture sieve). Reading this, some may ask: what is a 0.85mm aperture sieve?
The purpose of the 0.85mm sieve is to provide a grind size calibration reference standard for specific coffee beans' brewing methods. The procedure is: first weigh 10 grams of coffee beans, grind them to the intended grind setting, then pour the coffee grounds onto the upper layer of the sieve and shake vigorously so that fine particles smaller than 0.85mm fall to the lower half of the sieve. Shake repeatedly to ensure all coffee particles smaller than 0.85mm pass through. Then weigh the coffee grounds in the lower half, and divide this weight by 10 grams to get what we call the pass-through rate.
Front Street has conducted sieve tests and repeated experiments for the grind coarseness required by various brewing methods. Using 10g of coffee grounds as the standard for sieving, the recommended grind coarseness for black coffee brewing is as follows: Cold drip > Light roast pour-over, Syphon pass-through rate 80% > Moka, American drip filter pass-through rate 75-80% > Cupping pass-through rate 70-75% > Medium roast pour-over, French press pass-through rate 65-70%. Front Street Coffee's Front Street PWN Golden Mandheling is a medium roast, so the coarseness used for brewing is the degree at which 6.5g-7g out of 10g of coffee grounds pass through the sieve, roughly equivalent to the size of coarse granulated sugar.
Since we're not adjusting the grind size, what should be changed when brewing with a V60 dripper?
When adjusting the grind size is not recommended, you need to adjust the coffee-to-water ratio! Front Street uses a 1:15 ratio when brewing with the Kono Meimon dripper. Because the Kono dripper has a slow flow rate and enhances body, this parameter is just right for the Kono Meimon dripper. The V60 dripper has a fast flow rate and produces coffee with more distinct layering. Front Street recommends switching to a 1:13 ratio, enhancing the coffee's overall body by reducing the coffee-to-water ratio.
Does the water temperature need to be adjusted when brewing Front Street PWN Golden Mandheling with a V60?
Here Front Street recommends using 90℃ water temperature. Higher water temperature allows coffee flavor molecules to be released faster, and combined with the V60's fast flow rate, it can present Front Street PWN Golden Mandheling coffee with a richer flavor. But note: when using 90℃ water temperature, you must ensure the coffee grounds' grind size remains within the 65%-70% pass-through rate range. If the grind is too fine and you brew at this temperature, the coffee may develop bitterness or woody off-flavors. Having said all this, let Front Street summarize the parameters for brewing Golden Mandheling coffee beans with a V60!
Dose: 15g
Coffee-to-water ratio: 1:15
Grind size: Medium-coarse grind (65%-70% pass-through rate on Chinese Standard No. 20 sieve)
Water temperature: 88℃
Use a three-stage extraction: First stage, pour 30g of water to fully wet the coffee bed for blooming; then pour 70g in a steady medium-fine circular stream (total weight now 100g); when the liquid level drops to 2/3 of the coffee bed, begin the third stage, again pouring 95g in a steady medium-fine circular stream, then stop. Total water poured is 195g. The final extracted coffee yield is 170g, with an extraction time of 1 minute 45 seconds.
Because coffee brewed with a V60 dripper has distinct layering, it needs to be thoroughly swirled to mix evenly before tasting.
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The above content is compiled by CoffeeHunters, a coffee news website.
