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What is a chlorine and pH dosing pump?

Chlorine and pH dosing pumps are automatic systems designed to inject the exact amount of chemical products needed into the pool water. These devices help maintain stable water parameters automatically, improving water quality and simplifying pool maintenance.

Thanks to dosing pumps, pool owners can ensure proper chlorine and pH levels at all times, preventing algae growth, cloudy water, and irritation caused by chemical imbalances.

How do automatic dosing pumps work?

Dosing pumps are installed within the pool filtration circuit and connected to chemical containers such as liquid chlorine, pH reducer, or pH increaser.

The system continuously measures water parameters through probes and sensors. When the controller detects that the chlorine or pH levels are outside the desired range, the pump injects the necessary corrective product directly into the water circulation system.

This guarantees constant and precise water treatment without the need for manual dosing.

Advantages of automatic chlorine and pH dosing pumps

  • Automatic water treatment: the system maintains balanced water parameters without manual intervention.
  • Precise chemical dosing: avoids excessive or insufficient use of chemical products.
  • Cleaner and healthier water: stable chlorine and pH levels improve water clarity and hygiene.
  • Time-saving maintenance: reduces the need for daily water analysis and manual corrections.
  • Lower chemical consumption: optimized dosing helps reduce operating costs.
  • Protection for pool equipment: balanced water prevents corrosion and scaling in pool systems.
  • Improved swimmer comfort: avoids eye irritation, dry skin, and strong chlorine odors.

Types of dosing pumps for swimming pools

Chlorine dosing pumps

These systems automatically inject liquid chlorine into the pool water to maintain the correct disinfectant level.

pH dosing pumps

Designed to automatically add pH reducer or pH increaser products whenever the water becomes unbalanced.

Combined pH and chlorine dosing systems

These advanced systems control both chlorine and pH levels simultaneously, offering fully automated water treatment for maximum convenience.

Why is automatic dosing important?

Maintaining proper chlorine and pH levels is essential for effective pool disinfection and water quality. Incorrect levels may cause:

  • Algae growth and cloudy water.
  • Reduced effectiveness of disinfectants.
  • Eye and skin irritation.
  • Damage to pool liners and equipment.
  • Excessive chemical consumption.

Automatic dosing pumps ensure these parameters remain stable throughout the day, even during heavy pool usage or high temperatures.

Compatibility with salt chlorinators

Automatic pH dosing pumps are the perfect complement for salt chlorination systems, since salt electrolysis naturally increases the water pH level.

Combining both systems creates a nearly fully automated pool maintenance solution.

Main brands of dosing pumps

At Mercapool we work with the leading manufacturers of automatic pool dosing systems:

  • ASTRALPOOL
  • BAYROL
  • SUGAR VALLEY
  • CTX
  • GRE

Discover our range of automatic chlorine and pH dosing pumps and enjoy perfectly balanced pool water with minimal effort.