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Crystal clear water drop — ideal water quality by the Vincent scaleIdeal Water

Ideal Water: what it is, how to recognise it and how to get it

Thomas Freitagapprox. 14 min.25. Mai 2026

Ideal water is drinking water with a conductivity between 10 and 90 microsiemens (µS) — low-mineralised, slightly acidic and rich in oxygen. Prof. Louis-Claude Vincent proved in a study with over 400,000 people why this water keeps the body performing.

📌 Key facts

  • Ideal water has a conductivity of 10–90 µS — the lower, the purer and more absorbable.
  • Three measurable parameters define it: conductivity, pH value, and redox potential.
  • Typical German tap water measures 480–1,000+ µS — far outside the ideal range.
  • A simple conductivity meter (from approx. €20) lets anyone measure water quality in under a minute.

📖 Three terms briefly explained

Conductivity (µS)
Measures dissolved substances in water. The more foreign matter, the higher the value.
pH value
Shows whether water is acidic or alkaline. Ideal range: 6.0–7.0 (slightly acidic).
Redox potential (rH₂)
Energy potential of the water. Reduction protects cells (like lemon juice on an apple), oxidation consumes.

1. What is "ideal water"?

Three measurable properties define it:

📊

Conductivity

10–90 µS

⚗️

pH value

6.0–7.0 (slightly acidic)

⚡

Redox potential

As low as possible (reducing)

These values are measurable with a simple conductivity meter. The devices cost €15–50 and show results in seconds.

2. Conductivity: what it measures and why it matters

Conductivity measures how well water conducts electricity. Pure water barely conducts. The more minerals and dissolved substances in the water, the higher the conductivity. Typical German tap water is at 480 to over 1,000 µS. Water with low conductivity has more absorption capacity: it can transport more waste products out of cells.

3. Prof. Vincent and the study with 400,000 people

Prof. Louis-Claude Vincent (1906–1988) analysed water quality in over 50 regions between 1950 and 1974 and compared it with health data from over 400,000 people. His finding: regions with the purest water had significantly lower rates of cancer and heart disease.

"The purer the water, the greater its ability to cleanse the body." — Prof. Louis-Claude Vincent

4. How do I recognise ideal water?

A conductivity meter shows it in seconds. If the value is between 10 and 90 µS, you are in the ideal range. Many mineral waters are highly mineralised and fall far outside this range.

Water Conductivity Assessment
Trink Dich Fit station10–50 µS✅ Ideal
Plose, Lauretana, Voss20–80 µS✅ Very good
Standard mineral water200–600 µS⚠️ Borderline
German tap water480–1,000+ µS❌ Outside ideal range

5. How do I get ideal water?

Option A — Buy bottled

Low-mineralised spring water in glass bottles (Plose, Lauretana, Voss). Expensive and environmentally costly.

Option B — Trink Dich Fit station

The only solution that optimises all three Vincent parameters (conductivity, pH, redox) simultaneously. Most complete solution.

6. Frequently asked questions

What is water conductivity?

Conductivity measures dissolved mineral content in microsiemens (µS). The lower, the purer the water.

What conductivity is ideal for drinking water?

According to Prof. Vincent: 10–90 µS. German tap water typically measures 480–1,000 µS.

Is mineral water healthier than tap water?

Not automatically. Many mineral waters are highly mineralised and fall outside the ideal range.

Can I measure conductivity myself?

Yes — a conductivity meter costs €15–50 and shows the result in seconds.

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