
4 Drinks That Should Not Be Put in a Thermos Cup: Tea Easily Ferments and Turns Bitter
During the transitional period between cold and warm weather, many people carry a thermos cup to keep their drinks warm. However, not all beverages are suitable for thermos cups. For instance, milk can spoil quickly due to microbial growth, acidic juices may react with the cup's inner lining, tea ca...
Tea News · Aug 06, 2025
1