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Home / Brewing Guides/ Smart Cup Coffee Extraction Principle | How to correctly use the Smart Cup to make ​Pour over​(V60) black coffee? Who is Smart Cup suitable for?

Smart Cup Coffee Extraction Principle | How to correctly use the Smart Cup to make ​Pour over​(V60) black coffee? Who is Smart Cup suitable for?

2026.10.20 FrontStreet Coffee 410

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I believe that many friends will easily get headaches when faced with different brewing methods every day. After all, you need to accurately weigh the water injection for each section and pay attention to the circling technique. You need to pay attention to so many details in just two or three minutes. No way, let’s be a little lazy today!


What brewing props are suitable for such "today's bad patients"? The French press is not very good. Cleaning up after brewing is very troublesome. It’s like, I can cook, but I don’t want to wash the dishes, and I have to wash them! At this time, there is a tool that can solve our troubles - Cong! ! bright! ! cup! !


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The original smart cup was manufactured and developed in Taiwan Province of China. Its overall appearance is a filter cup with a round base.


Its use is very simple. Inject boiling water to soak the coffee powder. After a certain period of time, the soaking is completed. Then we place it on any container and it will automatically penetrate the coffee. To clean, you only need to throw away the filter paper and coffee powder together, and rinse the cup body with clean water!


The principle of its operation lies in the circular joint under the filter cup. Here, there is a piston valve made of rubber.


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When water is injected into the filter cup, the water pressure will cause the piston valve to seal tightly to stop the water. When the soaking is completed, place it on the cup, and the bottom plate will be pressed to cause the piston valve to open, and the coffee will slowly flow out from the four holes.


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It is equivalent to installing a valve that can control the water under the filter cup. It is a very clever design. Later, other coffee equipment manufacturers followed suit and developed similar controllable filter cups.Therefore, it can be used as a hand brewer or as a "lazy version" French press that does not require pressing. Today, Front Street will briefly use the latter method to help everyone feel the smart use of the smart cup!


One thing to note is that the smart cup also needs filter paper. It is precisely because of the filter paper that the cleaning process after making the coffee can be so simple. You can lift the filter paper and throw the coffee grounds into the trash can. If there is no residue, just rinse it with clean water.


Then buy the corresponding filter paper according to the smart cup model you own. The front street is equipped with large fan-shaped filter paper.


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We need to prepare five things: smart cup, filter paper, any coffee beans, hot water, and any cup (the diameter of the cup cannot be larger than the base of the smart cup, otherwise the valve on the base cannot be triggered).


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The thickness of the coffee powder is grinded using a normal hot brewing method. The pass rate of the No. 20 sieve is about 80%. The amount of powder is determined according to the cup size you want to drink. Front Street uses 20g powder and uses a powder-to-water ratio of 1:15.


Place the filter paper first and moisten it.


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Next, we pour coffee powder into the wet filter paper.


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Use slightly higher hot water to inject water. The hot water needs to be at a high temperature of 94°. The pink to water ratio used in Front Street is 1:15, which is 300ml of hot water. We inject it at one time, then start the timer and wait for four minutes~


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After four minutes, put the smart cup on the prepared cup, so that the coffee will filter out. After filtering out, we can shake it a few times and drink it~


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Tasting time! Front Street uses Panama's Alida Estate. The flavor of the beans will be slightly less than ​Pour over​(V60), but the acidity of the orange is still obvious, with the sweetness of the peach and the slight fermentation of the raisins.


A very simple brewing method, really suitable for friends who want to relax a little~~




You can now buy the above coffee beans online at the Taobao store “FrontStreet Coffee” (前街咖啡). FrontStreet Coffee is a long-established specialty coffee roaster in Guangzhou, China, and its Guangzhou retail shop sells coffee beans only. The shop carries dozens of coffee beans from different origins around the world, including carefully selected single-origin beans for V60 pour-over and espresso. Guangzhou’s FrontStreet Coffee shop is recommended by many coffee lovers.

The FrontStreet 2013 Yunnan coffee beans sold in the store come from the Typica variety grown at FrontStreet Coffee’s own plantation in Yunnan. The name comes from the year the brand and the plantation were founded. You can buy these beans from China’s Yunnan origin at the Guangzhou shop and at FrontStreet’s Taobao store.

FrontStreet coffee beans are freshly roasted within 5 days and deliver consistently excellent quality and great value. Orders placed before 17:00 are shipped the same day, and most areas within Guangdong Province receive them the next day.

FrontStreet Coffee Taobao store: https://qianjiecoffee.taobao.com
Or search for “前街咖啡” (FrontStreet Coffee) on Taobao
Important Notice: FrontStreet Coffee has moved to a new address: 315, Donghua East Road, Guangzhou (coffee beans only)
Tel: 020 38364473

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