Why the more good tea is drunk, the weaker it is, black tea and Pu’er tea, how to brew it well

How to choose the suitable water temperature and quantity of purple clay pot?Water temperature:Green tea: suitable with 80℃ to 85℃ water temperature brewing to avoid bitter tea soup.Black tea, yellow tea, oolong tea (including Tieguanyin, Pu’er, etc.): usually brewed with 95℃ to 100℃ boiling water to fully stimulate the aroma and taste of tea.White tea:…