Cook it twice

According to The Chinese Tea Classic

relieving cough and reducing phlegm

energy balance

It's suitable for most people

Zojirushi VE® Hybrid Water Boiler & Warmer CV-DCC40 (4.0L) / DCC50 (5.0L) Capacity:CV-DCC50 (5.0L) Cook it twiceThis energy efficient VE Hybrid Water Boiler & Warmer utilizes vacuum insulation technology (like travel mugs) to keep water hot with very little electricity. It features the new Quick Temp mode, which significantly reduces the heating time by directly reaching 160F, 175F, or 195F keep warm temperatures without reaching a boil. Vacuum electric (VE) hybrid keep warm system 4 keep warm temperature settings (160F, 175F, 195F, 208F and Vacuum Insulated