Salt electrolysis for swimming pools: tips for installation and maintenance

Saltwater Electrolysis: An Eco-Friendly and Effective Pool Water Treatment

Saltwater electrolysis is one of the most effective and environmentally friendly methods for treating pool water. This system naturally generates chlorine from dissolved salt in the water, ensuring continuous disinfection, reducing the need for chemical products, and enhancing the swimming experience.

Below are some tips to help you properly install a salt chlorinator and get the most out of it during the swimming season.

What is Saltwater Electrolysis and Why Choose It?

Saltwater electrolysis for pools is a process in which an electrolytic cell transforms salt into active chlorine, continuously disinfecting the water.

Advantages of salt chlorination:

• Less irritation to eyes and skin
• Softer, more pleasant water feel
• Reduced manual maintenance
• Long-term savings on chemical products

Tips for Proper Salt Chlorinator Installation

Choose the Right Salt Chlorinator

• Ensure the equipment is compatible with your pool’s water volume.
• Check the technical specifications, such as chlorine output per hour and recommended salinity range.

Correct System Placement

• Install the salt chlorinator after the filter and before the heat pump, if applicable.
• Place the electrolytic cell in an accessible location for easy cleaning and maintenance.

Prepare the Pool Water

Before starting the system:

• Make sure the water is clean and chemically balanced:
  • pH: 7.2 – 7.6
  • Alkalinity: 80 – 120 ppm
  • Calcium hardness: 200 – 400 ppm
• Add pool-grade salt (3 to 6 g/L), distributing it evenly. Allow it to fully dissolve before turning on the system.

Perform Electrical Connections Safely

• Hire a professional electrician to comply with regulations and ensure a safe installation (GFCI protection).
• Some systems require connection to a dedicated electrical panel.

Initial System Test

• Once installed, turn on the system and check for any leaks or connection issues.
• Adjust chlorine output based on pool volume and usage conditions.

How to Use and Maintain a Saltwater Electrolysis System

Salt Level Monitoring

• Regularly check the salt level with a dedicated meter.
• Add salt only if it falls below the recommended level.
• Avoid over-salting, as excess salt can damage components.

pH and Free Chlorine Control

• Although the system generates chlorine automatically, it’s essential to maintain the pH between 7.2 and 7.6.
• Measure free chlorine levels to ensure they remain between 1 and 3 ppm.

Electrolytic Cell Cleaning

• Inspect the cell every 3–6 months.
• If calcium deposits are present, soak it in a mixture of water and acid (following the manufacturer’s instructions).

Optimize Chlorine Production

• Adjust output based on water temperature and pool usage frequency.
• Use a pool cover to reduce chlorine loss from evaporation and UV exposure.

Winter Care

• If the pool is not used during colder months, turn off the electrolysis system.
• Ensure the cell is clean and dry to prevent freezing damage.

Prevent Contaminant Entry

• Minimize the introduction of oils, sunscreens, and organic residues, as they can increase the system’s workload.

Benefits of Using Saltwater Electrolysis in Pools

• Healthier, softer water for skin and eyes
• Continuous disinfection without manual chlorine addition
• More convenient and automated maintenance
• Long-term cost savings on chemicals
• More environmentally friendly system

Is Salt Electrolysis Right for Your Pool?

If you’re looking for a more convenient, natural, and long-lasting solution for pool disinfection, a salt chlorination system is a highly recommended option. At Gre, we offer salt chlorinators suitable for various pool types and sizes, along with accessories for installation and maintenance.