Possible causes
Contrary to popular belief, chlorine odours and eye and skin irritation are not caused by a high chlorine or bromine level. Only two factors are responsible:
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Improper pH balance
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Presence of chloramines (combined chlorine, strong chlorine odour)
Suggested solutions
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Improper pH balance: Maintain pH at 7.2 - 7.8.
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Presence of chloramines (combined chlorine): Add a 40 g of Non-Chlorinated Shock Treatment for spas per 1,000 L of water to eliminate chloramines. Non-Chlorinated Shock Treatment for spas boosts the effectiveness of sanitizers and helps clarify water.
Preventive maintenance
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Improper pH balance: Maintain pH at 7.2 - 7.8 at all times.
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Presence of chloramines (combined chlorine): Add a 40 g of Non-Chlorinated Shock Treatment for spas per 1,000 L of water once a week or after each spa use.
* In order to maintain sparkling spa water, make sure to have your spa water analyzed regularly by your specialized retailer to adjust and maintain the following parameters: total alkalinity and calcium hardness.