The 18 kg bucket of pH-Minus is a highly effective product for lowering the pH value in your pool or hot tub. An incorrect pH value can lead to unpleasant water quality and impair the effectiveness of other care products. By adding pH-Minus, you can lower the pH value to the optimal range of 7.2 to 7.6, ensuring clear and clean water. The product is easy to use: simply add the recommended amount of pH-Minus to the pool water and distribute well. It is important to check the pH value regularly and, if necessary, re-treat it to achieve optimal results. The 18 kg bucket is sufficient for long-term use and is particularly suitable for larger pools or commercial use. pH-Minus is a quality product specially developed for use in swimming pools. It is safe to use and leaves no residue in the water. Ensure a balanced pH value with pH-Minus and enjoy crystal-clear water in your pool or hot tub.