How to Lower the pH Level of Pool Water
To enjoy a good swim, it’s essential that pool water is in perfect condition. One of the most important factors is maintaining the pool pH level within recommended values, as it directly influences swimmers’ health and the effectiveness of disinfection products.
In this post, we explain what pH is, why it’s so important to control it, and how to lower pool pH effectively. At Innowater, we work with the goal of ensuring our customers enjoy swimming in optimal health conditions, offering advanced technological solutions for water control.

What is Water pH?
Before explaining how to regulate it, it’s important to understand what pH is.
The term pH refers to Hydrogen Potential, a coefficient that measures the degree of acidity or alkalinity of water.
- A pH between 7.2 and 7.6 is considered neutral and is the ideal range for swimming.
- A pH below 7.2 indicates that the water is acidic, which can cause skin and eye irritation.
- A pH above 7.6 indicates alkaline water, which reduces chlorine effectiveness and can cause scaling in the pool.
NOTE: These values may vary slightly in public pools, where usage is more intensive. In this case, pH levels from 7 onwards are already considered correct.
Maintaining pH within these values is key to ensuring a safe and pleasant swimming experience.
Why is it Important to Lower Pool pH?
When pH is too high, problems such as these can occur:
- Eye and skin irritation
- Cloudy water
- Reduced chlorine effectiveness
- Damage to filtration systems
Therefore, lowering pool pH when it exceeds recommended values is essential to maintain water quality.
How to Lower Pool pH?
To lower the pH level in pool water, there are two main options:
- Manually. You’ll need to add a pH reducer (liquid or powder), calculating the necessary amount based on water volume. Obviously, this is a less convenient and safe process.
- Automating pH control. In this case, an automatic pH dosing system, properly calibrated, takes care of balancing pH when necessary.
At Innowater, we develop innovative solutions that facilitate automatic and precise pH control, avoiding errors and ensuring consistently balanced water.
On our website, you’ll find a wide range of pH regulation equipment, designed to suit different types of pools and needs:
- pH Wireless
- pH Basic
- pH Public
- Redox
- pH Redox
- pH and free chlorine Wireless amperometric
Each of these systems includes a detailed description that will help you choose the most suitable option for your installation, whether it’s a private or public pool.

Conclusion
Knowing how to lower pool pH and keep it within optimal parameters is essential to protect swimmers’ health and extend the pool’s lifespan. Investing in automatic and precise control systems is the most effective way to ensure water is always in perfect condition.
If you’re looking for reliable and professional solutions for pH control, at Innowater you’ll find the technology you need to enjoy swimming with complete peace of mind.

Salt chlorination for pools is a treatment system that generates pure chlorine from the salt dissolved in the water, through an electrolysis process. A sustainable, automated, and safe treatment for swimming.





