Selenium-enriched water can be used to make tea. There is a lot of knowledge in making tea well, and the knowledge of water for making tea is also the most basic. As mentioned in the Tea Classic, the mountain spring water flowing down from the mountain is the best, and the selenium-enriched fairy house is one kind of mountain spring water. Secondly, it depends on whether the water is hard or soft, and soft water is more suitable for making tea. It can remove the bitter taste of tea and make the fragrance of tea more dispersed. Selenium-enriched mountain spring water is also a kind of soft water, and it is good to make tea and cook porridge. It's just a little expensive