The brewing formula of Dylan Siemens, the champion of 2017 American coffee brewing contest.
Dylan Siemens, winner of the 2017 American Coffee Brewing Competition, unveiled Kalita Wave's brewing recipe on Onyx Coffee Lab's official website. Dylan's formula is different from the existing one, and he will introduce his Pouring in more detail.

■ Kalita Wave formula
Coffee powder: 25g
Water: 400g
Grinding scale: medium and fine
Water temperature: 90-96 degrees
Pour 50g of water within 30 seconds of the pre-soaking stage. In order to make the coffee powder come into contact with the water more actively, stir the inside of the filter cup with a stick. Then pour 120g of water 6 times, 3 times every 15 seconds (60g water each time) Pouring. The total extraction time should not exceed 3 minutes.
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Structure understanding of Coffee Roaster
Following Cafe (official Wechat account vdailycom) found that if the coffee roaster knew the structure of the roaster he used, he could effectively control the whole roasting process if the Cafe opened a small shop of its own. Coffee roasting is a process in which raw beans (Green Bean) are transformed into the flavor of ripe beans (Roast Bean) by heat generation of Non-Enzymatic Browning. Hot
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Extraction uniformity by analogy of coffee pressed powder (PUCK)
Many interesting phenomena can be found when extracting with bottomless handle, such as channeling phenomenon, Jetting phenomenon caused by powder bowl clogging and so on. In fact, it is nothing new for many baristas to observe the extraction flow through bottomless handles. when they see the extraction flow converging into a complete straight line, they can be said to be extremely happy.
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