While salt water pools do contain chlorine, the method of generation and management differs from traditional chlorine pools. Let’s take a deeper dive into how salt water pools work.
By way of background, pool water is typically maintained at a salt concentration of 3,500 parts per million (ppm). For comparison, the human body has a salt concentration of 9,000 ppm, and the ocean has a salt concentration of 35,000 ppm.
In salt water systems, salt is added to the water, and a salt chlorine generator converts it into chlorine through electrolysis. This process results in a more stable and consistent chlorine level, leading to a more pleasant swimming experience with fewer harsh chemicals.
When salt water flows through a salt cell, an electric current is applied, splitting the salt (sodium chloride) into its components: sodium and chlorine. The chlorine produced sanitizes pool water by killing bacteria and algae. This chlorine is continuously generated as long as the system is operational. Therefore, while chlorine is present in the water, it is not added in the same manner as in traditional pools, where chlorine tablets or liquid chlorine are regularly added.
Although salt water pools have lower chlorine levels compared to traditional pools, it is crucial to monitor the chlorine levels to ensure proper sanitation. The levels typically range from 1 to 3 parts per million (ppm), which is safe and effective for pool maintenance. Unless you are highly involved in pool care, it is advisable to hire a pool service company for weekly maintenance to ensure a safe swimming environment.
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