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07PHM25
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Easily and effectively adjust your pool's pH with our economical 25 kg sodium bisulfate.
Sodium bisulfate is a chemical used to safely and effectively lower the pH of pool water. Maintaining a balanced pH is essential to ensure clear, pleasant water for swimmers and to optimize the effectiveness of disinfectant products.
The 25 kg format is ideal for large capacity pools or for professional needs (hotels, aquatic centers, residential complexes).
✅ Quickly and effectively lowers the pH of water
✅ Economical size : 25 kg bag for extended use
✅ Easy to use : dissolves quickly in water
✅ Compatible with all types of pools (inground, above-ground, commercial)
✅ Safe : Safer alternative to liquid acid for pH adjustment
A high pH (> 7.8) reduces the effectiveness of chlorine, promotes limescale deposits and causes irritation.
A balanced pH (between 7.2 and 7.6) allows for optimal disinfection, protects equipment and offers superior bathing comfort.
Test the pH of the water with a test kit.
If necessary, dissolve the recommended amount of sodium bisulfate in a bucket of clean water.
Pour evenly into the operating pool.
Let the water circulate for several hours before retesting.
Always add the product to the water and not the other way around.
Avoid pouring directly onto surfaces to avoid damaging the coatings.
Store in a cool, dry place away from moisture.

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