Problem
Sanitizer
Dissipating
Too Rapidly
Usual Cause
- Excessive organics in
water
- Temperature too high
- Low pH
- Low pH corrosion of
metal xtures
- Low calcium hardness
- Low total alkalinity
Solution
- Increase shock dosage; add sanitizer;
shower before entering spa
- Reduce temperature
- Raise pH with sodium bicarbonate product
- Use chelating agent if metals are present.
Keep proper pH level (7.2 to 7.6).
- Use chelating agent if metals are present.
Maintain minimum 150-200 ppm calcium
hardness
- Use chelating agent if metals are present.
Maintain proper alkalinity for type of
sanitizer used.
NOTE: If your source water has a high metal or mineral content, a specialty chemical should
be used to avoid staining or accumulation of deposits. These guidelines cover the most
common water problems when operating a spa with ozone. Contact your dealer for further
information regarding chemical control issues.
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