why do some people prefer drinking distilled water than tap water?
[2026-04-20] | By Xiamen Smart Water Technology Co., Ltd. Allen Huang
Table of Contents
Why Some People Prefer Distilled Water
Pros and Cons of Each Water Type
How to Improve Tap Water at Home
Technical Overview of Under-Sink Water Filter Systems
Water is something we use every day, but not everyone agrees on what type is best to drink.
Some people stick with tap water. Others invest in filtration systems. And a growing number prefer distilled water, believing it's the cleanest option available.
So what's really behind this choice?
This guide breaks it down in simple terms-what each type of water contains, what it removes, and how solutions like a boiling water tap combined with an under-sink water filter can offer a more practical and balanced alternative.

Water isn't just about hydration-it directly impacts your health.
- Around 60% of the human body is water
- Every cell relies on clean water to function
- Contaminated water is linked to 80% of global diseases (WHO estimate)
👉 Even in regions with regulated tap water, trace contaminants can still exist.
Tap water is treated at municipal facilities and is generally safe in regulated countries.
Common Treatment Steps:
- Filtration (sand, charcoal, gravel)
- Sedimentation
- Chemical disinfection (chlorine)
Possible Remaining Contaminants:
- Trace heavy metals (lead, copper)
- Chlorine and by-products
- Microplastics or organic residues
👉 Regulations limit contaminants, but they don't always eliminate them completely.

Purified water is tap or groundwater that has undergone additional treatment.
What It Removes:
- Bacteria and viruses
- Heavy metals
- Chlorine and chemicals
- Sediment and particles
Common Methods:
- Carbon filtration
- Reverse osmosis (RO)
- UV sterilization
👉 Systems like an under-sink water filter provide this level of purification directly at home.
Distilled water is produced by boiling water and collecting the condensed steam.
Key Characteristics:
- Removes almost all contaminants (≈99.9%)
- Eliminates bacteria, viruses, and heavy metals
- Also removes natural minerals like calcium and magnesium
👉 This makes it one of the purest forms of water-but not always the most balanced.
1. Maximum Purity
Distillation removes nearly everything, including:
- Pesticides
- Heavy metals
- Microorganisms
👉 Ideal for people with weakened immune systems.
2. No Chlorine or Chemical Taste
Distilled water has a neutral taste, free from:
- Chlorine
- Odors
- Chemical residues
3. Consistent Quality
- Unlike tap water, which varies by location, distilled water is uniform everywhere.
Not necessarily.
Potential Downsides:
- Removes beneficial minerals (calcium, magnesium)
- Flat taste (no natural minerals)
- Higher cost compared to tap water
- Not practical for daily high-volume use
👉 Long-term use without a balanced diet may reduce mineral intake.
| Feature | Tap Water | Purified Water | Distilled Water |
|---|---|---|---|
| Contaminant Removal | Moderate | High | Very High |
| Mineral Content | Present | Reduced | Almost None |
| Taste | Varies | Clean | Neutral |
| Cost | Low | Medium | Higher |
| Convenience | High | High (with filter) | Low |
For most households, a better solution is not choosing between tap and distilled water-but improving tap water.
Under-Sink Water Filter Systems
- Remove 90–99% of contaminants
- Maintain some beneficial minerals (depending on system)
- Provide clean water directly from the tap
Boiling Water Tap Systems
- Deliver instant hot water (up to 98°C)
- Improve convenience for cooking and drinking
- Often integrated with filtration systems
👉 Together, these systems offer clean, safe, and practical daily hydration.
| Parameter | Typical Specification |
|---|---|
| Filtration Type | Carbon / RO / UV |
| Removal Efficiency | Up to 99% contaminants |
| Installation | Under sink (POU system) |
| Flow Rate | 2–4 L/min |
| Maintenance | Filter replacement every 6–12 months |
| Integration | Compatible with boiling water taps |
Xiamen Smart Water Technology Co., Ltd. is a professional manufacturer specializing in:
- Boiling water tap systems
- Under-sink water filter solutions
Why Global Buyers Choose Xiamen Smart Water Technology:
- ISO9001 & ISO14001 certified production
- Compliance with NSF, WRAS, CE, WaterMark
- Strong ODM/OEM customization capabilities
- Proven supplier for international brands
👉 The company focuses on delivering safe, reliable, and compliant water solutions for global markets.
1. Is distilled water safer than tap water?
It is purer, but not always necessary if your tap water is properly filtered.
2. Does distilled water remove all contaminants?
Yes, it removes about 99.9%, but also removes beneficial minerals.
3. Is an under-sink water filter enough?
For most households, yes. It provides high-level purification with better practicality.
4. Can a boiling water tap improve water quality?
It improves convenience and, when combined with filtration, ensures safe drinking water.
5. Which option is best for daily use?
A combination of filtered tap water + under-sink system is the most balanced solution.
Looking to offer reliable and high-demand water filtration and boiling tap solutions?
👉 Visit: www.kitchenwatertap.com
👉 Contact us for OEM/ODM partnerships, product catalogs, and samples
Deliver smarter, safer drinking water solutions to your market with a trusted manufacturer.

