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USAGE: Water care product. Liquid pH reducer for swimming pool water. Contains no hydrochloric acid. The optimal pH-value in the pool is between 7.0 and 7.4. We recommend to check the pH-value at least once a week with test strips or tablets and to correct if necessary.
For private swimming pools only.
DOSAGE: To lower the pH-value by 0.1, add ca. 350 to 420 ml pH - (minus) liquid/10 m³ water. Consumption depends on the desired pH-value, the water hardness and the chlorine products used. The dosage can be made by use of a dosing pump directly from the canister, by hand or by use of an automatic dosing system. If added by hand, first dilute pH - (minus) liquid with water in a plastic bucket and then pour it slowly into the water. Keep a sufficient distance to metal parts.
Please note that the products shown represent the current scope of delivery, as of 2026.
Always follow the information on the product label.
GENERAL INFORMATION: This product is to be used exclusively for the purposes stated in the description. The effect starts immediately after use. All dosing instructions base on experience values and are nonbinding.
Keep container in a cool, dry, well-ventilated place protected from light and frost. Always transport and store the container in an upright, vertical position.
Hazard statements: H290 May be corrosive to metals. H315 Causes skin irritation. H319 Causes serious eye irritation.
Precautionary statements: P101 If medical advice is needed, have product container or label at hand. P102 Keep out of reach of children. P264 Wash hands thoroughly after handling. P280 Wear protective gloves/eye protection. P305+P351+P338 IF IN EYES: Rinse cautiously with water for several minutes. Remove contact lenses, if present and easy to do. Continue rinsing. P391 Collect spillage. P501 Dispose of contents/container to hazardous or special waste collection point.
Contains: CAS 7664-93-9 Sulphuric acid <15%
Product images are for reference only and may not be an exact representation of the product.