noun
hot spring water quality; spring type
Refers to the chemical composition, mineral content, and therapeutic properties of a hot spring's water. Commonly used in onsen guides and descriptions.
この温泉の泉質はアルカリ性単純温泉です。
The water quality of this hot spring is alkaline simple spring.
泉質によって効能が異なります。
The therapeutic benefits differ depending on the spring quality.