journal

Why is Japanese water soft? Explaining the difference from overseas and why it's easy to drink.
Why is Japanese water soft? This article explains the reasons why, how it differs from water in other countries, and what makes it easy to drink.

We'll explain why ONSENSUI99 (Hot Spring Water 99) is so mellow and easy to drink, from the perspectives of ultra-soft water and the natural environment.

Explanation of the health effects of alkaline water from a scientific perspective. We will organize the benefits, precautions, and daily considerations.

Alkaline Water vs. Electrolyzed Water: A Clear Guide to pH, Features, and Choosing the Right One
This comparison article clearly explains the differences between alkaline water and electrolyzed water, summarizing their pH, characteristics, and how to choose between them for daily use.

Staying hydrated every day is crucial in Thailand's hot climate. "Onsen-sui 99," a natural alkaline ionized water from Tarumi Onsen in Kagoshima, is an ultra-soft water with a hardness of 1.7, maki...

What is alkaline mineral water? The concept of a "water habit" for hydration and daily conditioning
We'll explain the characteristics of alkaline mineral water and its effects on hydration, and introduce a new concept: "water habits" to help you regulate your daily life.

From Tarumizu to the World: The Global Journey of ONSENSUI 99
Hot spring water 99 gushes out from approximately 750 meters underground in Tarumi City, Kagoshima Prefecture.These "drinkable hot springs" are now loved by people all over the world.We deliver a s...

Kagoshima City: Where Tradition Meets the Future | Kagoshima City: Where Tradition Meets the Future
Kagoshima City is a place where Satsuma tradition and new lifestyle coexist.We will explore the "future of Kagoshima" inherited by Hot Spring Water 99, a "healing city" with a cityscape overlooking...

Ibusuki – The city of sand baths and detox | Ibusuki, The Detox Sanctuary
Ibusuki, where the tropical breeze blows, is a sacred place for detox known for its "sand bath" hot springs. We will unravel the charm of this city, which has a culture that warms, purifies, and co...

Kirishima, The Land of Healing Volcanoes
Kirishima is a place where the power of the volcano and the tranquility of the forest coexist. A culture of "healing" and "regeneration" has been alive here since ancient times. We will visit a sac...