journal
The taste of green tea changes depending on the water quality. When brewed with ``Onsen Water 99,'' ultra-soft water with a hardness of 1.7, the bitterness is suppressed and the flavor and aroma st...
A comparison of commercially available mineral water that can be purchased in Thailand and Japan's natural alkaline water "Onsensui 99". We will explain the differences in pH, hardness, and ingredi...