Complete Guide to Bottled Water in Thailand | Types, How to Choose, and Recommendations

Conclusion: Bottled Water is Essential in Thailand, and Your Choice Matters Greatly
In Thailand, it is not common to drink tap water directly.
👉 Bottled water is an everyday essential.
However,
- not all choices are the same,
- and being safe isn't always enough.
This is not the case.
👉 "Drinkability" and "physical burden" vary greatly depending on the type of water.
For more details on water conditions in Thailand,
👉 Is Thailand's Water Safe? A Complete Guide

Types of Bottled Water in Thailand
Water sold in Thailand is broadly categorized into three types.
Purified Water
- Minerals removed
- Light and easy to drink
- Inexpensive
👉 The most common water found in convenience stores
Mineral Water
- Contains naturally derived minerals
- Has a distinct taste
- Drinkability changes with hardness
Natural Water
- Minimally processed
- Water close to its natural state
- Easy to taste the natural flavor of water
👉 Water may look the same, but "what's inside is completely different."
Key Points for Choosing Water
This is the most important part.
Hardness (Mineral Content)
- Soft water: Smooth and easy to drink
- Hard water: High in minerals and heavy
👉 Japanese people are used to soft water,
so they may find hard water unfamiliar.
Drinkability
For daily water consumption,
👉 the most important thing is whether you can keep drinking it.
Usage Scene
- Drinking
- Cooking
- Coffee/Tea
👉 The taste changes depending on the water.
Learn more about the differences in water👇
👉 Does water hardness change the taste?
The Reality of Choosing Water in Thailand
In Thailand, you can easily buy water at convenience stores and supermarkets.
However,
👉 "Safe" doesn't always mean "suits you."
For example:
- Water that is difficult to drink
- Water that doesn't suit your body
- Drinking less water
👉 Such problems are surprisingly common.
More details on safety👇
👉 Is Thailand's water really safe?

What Kind of Water Suits Japanese People?
Common changes in life in Thailand:
- Gastrointestinal discomfort
- Drinking less water
- Generally unstable physical condition
One of the causes is 👇
👉 Water properties (hardness, mineral balance)
For Japanese people,
👉 soft water is often more naturally drinkable.
ONSENSUI99 is
- Underground water from Tarumizu Onsen, Kagoshima
- Naturally alkaline (pH 9.5-9.9)
- Ultra soft water with a hardness of 1.7
👉 Water formed over a long period through natural filtration.
👉 It is a water quality that is familiar to Japanese people and
easy to incorporate into daily life.
Summary: Water Choice Changes Life
In life in Thailand,
👉 the choice of water is extremely important.
- Safety
- Drinkability
- Compatibility with your body
👉 By being mindful of these three points,
your quality of life will greatly improve.
If you are concerned about your health in Thailand,
👉 The relationship between water habits and health
Related Articles
Can you drink tap water in Thailand? Differences from Japan and how to choose safe water
Recommended mineral water in Thailand: How to choose water that is easy for Japanese people to drink
Complete guide to water in Thailand: Differences between tap water, bottled water, and mineral water

