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Article: Why is Onsensui 99 so mellow and easy to drink? Explaining the difference in taste and the reasons behind it.

alkaline water

Why is Onsensui 99 so mellow and easy to drink? Explaining the difference in taste and the reasons behind it.


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Why does Onsensui99 taste so smooth? Let's start with the conclusion.

The smoothness of Onsensui99 is due to the combination of "ultra-soft water (hardness 1.7)" and "naturally alkaline (pH 9.9)".
This characteristic creates a soft and smooth mouthfeel.


What determines the taste of water?

The taste of water is mainly affected by the following factors:

・Hardness (mineral content)
・pH (acidity/alkalinity)
・Mineral balance

These differences can change the drinking experience even with the same water.


Difference from other waters

A simple comparison of different types of water is as follows:

Type of Water Taste Characteristic Drinkability
Hard Water Robust・Slightly heavy
General Soft Water Refreshing
Onsensui99 (Ultra-Soft Water) Smooth・Soft

This difference is easily noticeable, especially since it's water you drink every day.

👉 More details on the differences in water can be found in this article.


Differences in perceived drinking experience

Onsensui99 is water that easily provides the following drinking experiences:

・Softness when it enters the mouth
・Smoothness when it goes down the throat
・Lightness that makes it easy to gulp down

Due to its lack of distinct taste, it's easy to incorporate into daily hydration.


Differences felt in various daily scenarios

The ease of drinking water is felt in various daily scenarios.

・A glass of water upon waking up in the morning
・With meals
・Hydration after exercise or on hot days

Especially in hot environments like Thailand, where water consumption increases, ease of drinking becomes an important factor.

👉 For hydration in Thailand, click here


Water that enhances the taste of beverages

Water also affects the taste of beverages.

For example,
・Matcha
・Coffee
・Tea

can have their flavor perceptions changed by the water used.

Soft water tends to bring out the original flavors of ingredients, making it a choice for those who appreciate delicate tastes.

👉 For the relationship between matcha and water, click here


Why is it easy to incorporate into daily life?

Since hydration is a daily habit, it's important to be able to continue it effortlessly.

Onsensui99 is chosen as water that is easy to incorporate into daily life due to its characteristics of:
・Lack of distinct taste
・Ease of drinking
・Sustainability


▶ For those who want to rethink their daily hydration

Choosing easy-to-drink water is one key to maintaining daily hydration without effort.

You can find more information about the features and details of Onsensui99 here:

👉 For details on Onsensui99, click here

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