Source Government and heritage records
お茶の淹れ方マニュアル（分割版2：後半）
- Publisher
- Ministry of Agriculture, Forestry and Fisheries (MAFF)
- Kind
- Government and heritage records
- Accessed
- 2026-11-02
- Notes
- Second half of the same manual: gyokuro at 50-60°C, about 150 s, small 40 mL cups; recommends a dedicated 湯冷まし.