What's the difference between soft and hard water? A clear guide to choosing which is right for you.

Soft water vs. Hard water: The conclusion first
Water is classified as either "soft water" or "hard water."
In conclusion,
👉 Soft water is generally more suitable for Japanese people.
The reason is simple:
- Easy to drink
- No distinct taste
- Easy to drink daily
👉 It is suitable for daily hydration.
Differences between soft and hard water (comparison)
| Item | Soft Water | Hard Water |
|---|---|---|
| Mineral content | Low | High |
| Taste | Mild | Strong mineral taste |
| Drinkability | ◎ (Excellent) | △ (Requires getting used to) |
| Compatibility with Japanese people | ◎ (Excellent) | △ (Fair) |
👉 The biggest difference is "drinkability."
What is soft water?
Soft water is characterized by its low mineral content and gentle taste.
- Easy to drink
- Goes down smoothly
- Can be drunk naturally every day
👉 Most Japanese water is soft water.
What is hard water?
Hard water is water that contains a high amount of minerals.
- Has a distinctive taste
- Some people find it difficult to drink
- Taste is subjective
👉 This type of water is common in other countries.
Why is Japanese water easy to drink?
The reason Japanese water is easy to drink is that
👉 it is soft water.
- No distinct taste
- Goes well with cooking
- Easy to drink daily
▶ Why Japanese water is easy to drink
Points to note when choosing water in Thailand
When living in Thailand, choosing water is very important.
- Tap water cannot be drunk directly
- Even bottled water can differ in taste
- Some water is close to hard water
👉 The environment is very different from Japan.
▶ About the water situation in Thailand
Why do Japanese people feel uncomfortable with hard water?
Japanese people are accustomed to soft water in their daily lives.
Therefore,
- They find the taste strong
- They find it difficult to drink
👉 This is why they tend to feel uncomfortable.
Which one should you choose?
If you're unsure, it's simple.
👉 If you drink water daily, choose soft water.
The reasons are below 👇
- Easy to continue
- Less burden on the body
- Suitable for daily use
👉 It is especially recommended for new lifestyles or living alone.
To those struggling to choose water for a new life
Choosing water is an important point for a new life.
If you are unsure which water to choose, please refer to this as well.
▶ What kind of water should you choose for a new life?
The best water is the one you can drink every day.
The most important thing when choosing water is
👉 that you can continue drinking it.
- Easy to drink
- No distinct taste
- Easy to keep drinking
👉 This is the most crucial aspect.
The choice of soft water
To summarize the key points so far:
✔ Easy to drink
✔ Easy to continue
✔ Suits Japanese people
👉 Soft water meets these conditions.
Recommended Soft Water
Born from Tarumizu Onsen in Kagoshima,
ONSENSUI 99
- Ultra-soft water with a hardness of 1.7
- Mild and easy to drink
- Reliable Japanese quality
👉 It is suitable for daily hydration.
Summary
The difference between soft and hard water lies in "drinkability."
- Soft water is gentle and easy to drink.
- Hard water is rich in minerals and has a distinct taste.
👉 For daily consumption, soft water is more suitable.
▶ For those who want to know more about different types of water
If you want to learn more, these articles are also recommended.
👉 Comparison of mineral waters in Thailand
👉 How to choose safe water in Thailand
👉 The relationship between swelling, fatigue, and water

