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Is a pH of 7 Harmful?

Published in Water Safety 2 mins read

No, a pH of 7 is not harmful, especially in drinking water.

According to available research, drinking water with a pH between 7 and 8.5 has shown no evidence of harm. This means a pH of 7 is considered neutral and safe for consumption. To provide a clearer picture, let's look at what pH is and how it relates to our health:

Understanding pH

  • pH is a scale used to measure how acidic or basic (alkaline) a substance is.
  • The scale ranges from 0 to 14:
    • 7 is neutral.
    • Below 7 is acidic.
    • Above 7 is basic or alkaline.

pH and Drinking Water

pH Level Description
< 7 Acidic
7 Neutral
> 7 Basic
  • Neutral pH of 7: A pH of 7 in drinking water is considered neutral and is generally safe.
  • Acceptable Range: The range between 7 and 8.5 is also considered safe for drinking water, as there has been no evidence of harm found in drinking water with a pH of between 7 and 8.5.

pH and Blood

Interestingly, human blood has a slightly basic pH of around 7.365. This shows that our bodies work best within a narrow range that’s not strictly neutral but slightly alkaline.

Practical Implications

  • Water Testing: It's a good idea to test your drinking water for pH and other contaminants to ensure its safety.
  • Maintaining Health: While pH is important, maintaining overall health requires a balanced approach involving diet, exercise, and regular check-ups.
  • No Need to Worry: If your water has a pH of 7, it should not be harmful.

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