The colors of tea beverages made from distilled water and purified water stay fairly steady, with a minor change. Green tea beverages made from mineral water and tap water precipitate after a period of time. 蒸馏水、纯净水的茶饮料汤色较稳定,变化较小;矿泉水、自来水的绿纯茶储藏一段时间后出现沉淀。