Conductivity and Saltwater Pools
In this article, we discuss how salinity and water temperature affect saltwater pools; specifically how they affect the performance of a salt-chlorine generator.
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In this article, we discuss how salinity and water temperature affect saltwater pools; specifically how they affect the performance of a salt-chlorine generator.
There are few topics with as many misconceptions as saltwater pools. Perhaps it all went wrong from the start, when the term was coined about 40 years ago. The name certainly gives you the least relevant information – the pool is not salty like the ocean, and the salt in the pool isn’t even the star of the show. So let's dive in.
Total Dissolved Solids (TDS) is a metric used in water treatment that measures all dissolved minerals, salts, chlorides, metals, organics, and many other contaminants in water. TDS impacts water conductivity and is related to corrosion, chemical efficiency, water clarity, and is an often-forgotten factor in the LSI.
Calcium carbonate scale forms in swimming pools and other water systems when the water is over-saturated with calcium carbonate. This can be measured and predicted using the Langelier Saturation Index (LSI). This article discusses why saltwater chlorine generators and pool heaters tend to scale more frequently than the rest of the pool. Hint: temperature matters.