My favorite hand brew method is "4:6 method" Invented by Tetsu Kasuya_ World Brewers Cup 2016 Champion (https://www.youtube.com/watch?v=wmCW8xSWGZY https://www.

My favorite hand brew method is "4:6 method" Invented by Tetsu Kasuya_ World Brewers Cup 2016 Champion (https://www.youtube.com/watch?v=wmCW8xSWGZY https://www.youtube.com/watch?v=wmCW8xSWGZY). He uses 20g of beans to 300ml of water and with this method, one can adjust the sweetness and strengtt. Previously, I always got random results, sometimes getting great coffee, while at other times, getting too much acidity or bitterness.