Definition of pH
THE pH it is a measure of the acidity or alkalinity of the water to maintain it quality in your pool A well-balanced pH ensures pleasant and worry-free swimming, preserving your equipment. But what exactly does this mean?
pH is measured on a scale of 0 to 14. A pH of 7 is neutral, less than 7 indicates a acidic water and greater than 7, a alkaline water. For a swimming pool, the ideal pH is between 7.2 and 7.6. Why is this so important? Improperly adjusted pH can cause skin irritationsof red eyes and even damage to equipment. Furthermore, it affects the effectiveness of water treatment productslike the chlorine.
It is therefore necessary to regularly monitor the pH of the pool to ensure it is correct quality water. For this, you can use different tools like test stripsof liquid kits OR electronic testers. Each method has its advantages, but the important thing is to choose the one that best suits you and use it frequently.
How to increase the pH of the swimming pool without product?
If you want to increase the pH of your pool without resorting to chemicals, aeration is a natural and effective method. This process consists of eliminating the carbon dioxide (CO2) water, which reduces its acidity. For this, you can use equipment such as water jetsof waterfalls OR aerators. These devices introduce air into the pool water, thus increasing the pH naturally and without the addition of chemicals.
Why should you adjust your pool’s pH?
Skin problems and irritated eyes
AND pH unbalanced can cause skin irritations AND red eyes among the bathers. If the pH is too high, the water becomes too alkaline and can irritate the skin. Conversely, too low a pH makes water acidic, leading to eye irritation.
Damage to swimming pool equipment
AND Incorrect pH it can also cause damage to your pool equipment. Too low a pH can corrode metal parts, e.g stairsTHE skimmersand the exhaust nozzles. On the contrary, a pH that is too high can lead to the formation of limescale deposits on the walls of the pool and on equipment such as the dosing pump.
Reduced effectiveness of treatment products
AND Poorly balanced pH it can also reduce the effectiveness of water treatment products. Too high or too low a pH can reduce the effectiveness of products such as chlorinerequiring you to use more to keep the water clean and healthy. In the long term, this can increase maintenance costs.

What is the right pH for a swimming pool?
THE ideal pH for your pool water it is between 7.2 and 7.6. This range guarantees optimal comfort for bathers and maximum efficiency of the environment treatment products. But why is it essential to maintain the pH within this range?
Here are some important reasons:
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- Effectiveness of disinfectants : A well-regulated pH above all guarantees the effectiveness of disinfectants chlorine. If the pH is too low or too high, the chlorine will not be able to adequately disinfect the water.
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- Bather comfort : A stable pH helps to avoid skin irritations and the red eyes. Water that is too acidic or too alkaline can be uncomfortable for swimmers.
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- Water clarity : Maintaining a pH within this range helps prevent cloudy water. Balanced water is clearer and more pleasing to the eye.
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- Equipment protection : A well-regulated pH protects the covering of your swimming pool and its equipment. An incorrect pH can corrode metal parts or cause limescale deposits, damaging them stairsTHE skimmersand the exhaust nozzles.
How to adjust the pH of swimming pool water?
To adjust the pH of the water of your swimming pool, you can use chemical products specific how pH Plus to increase the pH or pH Moins to reduce it. These products are available in liquid or powder form and are easy to apply. It is important to follow the manufacturer’s instructions for best results.
How to measure the pH of a swimming pool?
Measure the pH of your pool is a fundamental step in maintaining the balance of the water. Here are the main methods:
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- Test strips : Practical and economical, they allow rapid water analysis. Simply dip a strip in water and compare the color obtained with the scale provided.
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- Reagent testing : Use liquid reagents or tablets to obtain an accurate measurement. After adding the reagent to a water sample, compare the color with a color scale.
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- Electronic testers : For quick and accurate measurement, use an electronic tester. Immerse the probe in water and read the displayed result.
It is recommended to check the pH of your pool 2 or 3 times a week to maintain optimal balance.


What are the risks if the pH is too high?
AND pH too high in your pool can cause several problems:
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- Cloudy water : The water becomes opaque and less pleasing to the eye.
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- Limestone deposits : Deposits may form on the pool walls and equipment, e.g skimmers and the exhaust nozzles.
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- Reduction in the effectiveness of treatment products : THE chlorine and other disinfectants become less effective, requiring the use of larger quantities.
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- Skin and eye irritations : High pH can cause skin irritations AND eyes among the bathers.
To avoid these problems, check and adjust your pool’s pH regularly.

Does chlorine lower pH?
THE chlorine can actually influence the pH the water of your swimming pool. Stabilized chlorine, in particular, can lower the pH slightly because it is slightly acidic. This means that after adding chlorine it is important to check and adjust the pH to maintain an optimal balance. Use specific products to increase or decrease the pH as needed.
See our article on choose chlorine for your pool.
The best products for swimming pool water treatment
To keep pool water clean and healthy, it is essential to use it water treatment products effective. At home The best hygienewe offer a range of products specially designed to regulate the pH of your pool.
pH regulators
THE pH regulator it is a key element in keeping the water clear and clear. If your pool needs pH Plus to increase the pH or pH Moins To reduce it, we have the right solutions. Our branded products PURE EAU they are particularly appreciated for their efficiency and reliability.
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- pH Plus powder : Available in 5kg buckets, this product is ideal for Quickly increase the pH of your pool. In just a few hours you can adjust the pH level of your water. This product is essential during periods when rain or other factors have lowered the pH of the pool.
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- pH Plus liquid : Available in 25kg cans, this product allows you to do just thatquickly increase the pH of the pool water. It is advisable to distribute it evenly on the pool walls to avoid the development of algae and bacteria.
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- pH Less liquid : Semifreddo to reduce the pH of your poolThis product is compatible with all types of treatment. It is formulated to regulate the pH without altering the chlorination of the water, thus ensuring healthy and pleasant swimming.
Why choose our products?
THE pH regulating products From The best hygiene they are designed to provide a quick and efficient solution to your pool maintenance needs. Here are some reasons to choose our products:
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- Proven effectiveness : Our products quickly adjust the pH of the water, ensuring optimal quality.
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- Ease of use : Whether in powder or liquid form, our products are easy to dose and apply.
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- Availability and fast delivery : We have stocks available and offer fast deliveries within 48/72 hours. Also take advantage of the free delivery by consulting our conditions of sale.
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- Guaranteed quality : Made in France, our products meet the most stringent quality standards, thus guaranteeing the safety and well-being of bathers.
See also our articles on:
Taking care of your pool this summer !
Products to remove algae in swimming pools.
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