What is TDS?
- The total of all minerals, chemicals and solids dissolved in the water
- TDS accumulates through the normal life of the pool water
- TDS will be lowest when a pool is freshly filled
- Maximum recommended range:
- 2,500 ppm in traditional pool
- 1,500 ppm over ideal salt level in salt pool
- 1,500 ppm in a hot tub
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Why is it important?
- As TDs elevates, the normal management of pool water becomes more difficult
- Sanitizer efficiency reduces
- Corrosion can increase
- Water clarity reduces
- Reduced chemical efficiency
- Increased problems - more difficult maintenance
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Why does TDS change?
- Every product added to treat water will have an effect on TDS
- Normal Environmental exposure
- Bather Waste
- Fill Water
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How to correct high TDS:
- When above maximum recommended level
- Dilute pool water with make-up water of a lower TDS
- Normal evaporation and top-up does not lower TDS - it raises it
- Hot tubs can be drained and refilled
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