Drinking ice drop coffee does not hurt the stomach, it is not bitter to make ice drop coffee, how many seconds does a drop of water temperature?

Professional coffee knowledge exchange more coffee bean information Please pay attention to the coffee workshop (Wechat official account cafe_style) the advantage of dripping coffee is not sour and does not hurt the stomach, because using this method to make coffee, most of the coffee beans are deep-roasted beans such as Mantlin, due to shallow roasting and sour, deep-roasting bitter but strong, so ice dripping coffee is not sour and chooses another deep-roasted coffee bean.