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If you have a salt water hot tub or pool, you shouldn't need to add any extra chlorine.

I am the pool operator at our local YMCA and we have a salt system with a Chloromatic chlorine generating cell. Rarely do we add any extra chlorine, only in cases of decontamination and/or shocking.

Bromine does do better than chlorine in higher temps.

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Q: Does a salt water spa really need chlorine or bromine?
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