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About Brewing

  • Why we still need coffee blend?

    by Leon Luo
    When we purchase coffee bean, we usually see “Blend” (Japanese “ブレンド”, Chinese “調和or 配方“ stated in the package. As its literal meaning, this bag of...

  • Quick way to evaluate the side flow on dripper

    by Leon Luo
    If you are using or have used drippers like KONO that no rib on the top half, you will find an interesting situation on its coffee bed that differe...

  • Little trick to make April Brewer flows smoother

    by Leon Luo
    I purchased April Brewer right after it launched, but I actually seldom use it because I found it clogs a lot even in the early stage of the brew. ...

  • Simple ways to fix your daily brewing issues

    by Leon Luo
    It is very common that we will have some unexpected, unwanted situation and outcomes in our daily brewing. In this post, I want to share few cases,...

  • Brewing basic concepts: TDS and Extraction Rate

    by Leon Luo
    A frequently asked question is “What should I do if the coffee tasted too strong”. There are mainly two kinds of answer, one is, rise the coffee to...

  • Brewing basic concepts: Working principle of brewers

    by Leon Luo
    You might saw or heard that for different brewing methods, there will be different grind size, brew time and techniques to fit with. But in the pre...

  • Brewing basic concepts: Grinding coffee and grind size

    by Leon Luo
    We grind our coffee first every time before we brew, but why we need to grind coffee bean. In fact, you can boil the whole coffee bean in a pot, an...

  • Brewing basic concepts: What are we actually doing in coffee brewing?

    by Leon Luo
    “Put your paper filter into the dripper, weight and grind your coffee, start pouring water...”. I guess many people start learning how to brew coff...

  • Small tip to make filter fits with dripper

    by Leon Luo
    Different drippers have different shape of rib that works differently. To make good use of dripper’s rib, we need the filter to fit with dripper ni...

  • Interesting pour with sifter

    by Leon Luo
    This is an interesting pour over that will make good use of sifter and fines. Here is how I do it step by step:1. Grind coffee. I used 28 clicks on...

  • Agitation in brewing

    by Leon Luo
    Agitation is a factor that very hard to have a quantitative standard. For example, we can say on this brew we use 20g coffee, 90°C water, and even ...

  • Some tips for starters of pour over coffee

    by Leon Luo
    More people start their home brewing journey as the pandemic continues, so I want to share some experiences that I learned from the past and hope y...