How does Saltwater Chlorination work?

During those hot summer days, there is nothing like diving into a sparkling clean pool to cool off. Key to maintaining water quality is selecting the right chlorinator for your pool needs.


More and more homeowners are choosing the option of a saltwater chlorination system for their swimming pool. The main difference between the standard chlorine system and salt water chlorination is the way in which the pool is sanitised. Instead of using chlorine tablets and shock, it uses a chlorine generator.


The saltwater generator basically consists of a control box and a salt cell.  The salt cell has metal plates connected to the control box.  The control box sends an electrical charge to the plates which creates chlorine through a process called electrolysis.  As pool water passes through the salt cell, the salt in the water is turned into Hypochlorous acid. This is the same component that is produced when any chlorine is added to pool water; whether you use sticks, tablets, granular or liquid. As the water returns to the pool, it will introduce the newly produced chlorine, which sanitises the saltwater pool.


There are many benefits of saltwater chlorination for your swimming pool:


  • Safety - Chlorine chemicals need to be handled with care as transporting, storing and using chlorine products can be hazardous. By using a salt system, pool owners eliminate the need to handle chlorine in its physical form, making it a much safer alternative.

  • Cost effective – Once salt is added to the water and salinity is at optimal level, many trips to a pool store to purchase chlorine or shock chemicals are eliminated.

  • Healthier – Exposure to chlorine chemicals can dry out the skin and hair, and cause itchiness and skin irritation. Saltwater swimming pools avoid peaks and valleys in chlorination, reducing chloramine formation, which causes red eyes, skin and sometimes lung irritation.

  • Comfortable – Although saltwater pools are not chlorine-free, many swimmers find that the water quality of saltwater swimming pools is luxuriously soft. You won’t be able to taste the saltiness; it won’t burn your eyes and there are no chlorine odours.

  • Cleanliness – The disinfectant ability is equal to chlorine pools, without the need to use chlorine products.

  • Maintenance – Saltwater generators are self-regulating, so there is often no need to shock your swimming pool to remove chloramines. However, you may need to add small amounts of pool salt each year, to replace salt lost through backwashing, splash-out or winterisation.


Whether you are planning to build a new luxury swimming pool, or looking to renovate or upgrade components of your existing pool, our team of experts at Beau Corp Aquatics & Construction can assist with all your swimming pool needs. Contact us today. 


Salt Water


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