The use of ultra-violet light (often referred to as just UV) has always been a co-sanitizer with chlorine, because some chlorine - albeit in trace amounts - is1

UV-Chlorination

The use of ultra-violet light (often referred to as just UV) has always been a co-sanitizer with chlorine, because some chlorine - albeit in trace amounts - is required to assist the UV in sanitizing the pool water.

This is known as UV-chlorination.

There are many pool sanitizer options. While traditional chlorine, salt (which is converted into chlorine), and mineral-chlorination are the most popular pool sanitizers, UV-chlorination is also a viable sanitizer of pool water, primarily for those of you that want to reduce the amount of chlorine in the pool.

Within this pool manual, the following information is available about how to sanitize your pool with UV-chlorination:

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