Pool Chemical Balance Calculator
Calculate the Langelier Saturation Index (LSI) to determine if your pool water is corrosive, balanced, or scale-forming.
Inputs
°F
ppm
ppm
ppm
Results
Langelier Index (LSI)
1.34
Water Condition
2
Adjustment Magnitude1.34
Target pH6.06
Target Alkalinity73 ppm
How to Use This Calculator
- Enter current pH, water temperature, calcium hardness, total alkalinity, and TDS readings.
- Review the Langelier Saturation Index and recommended chemical adjustments.
- Retest after adjustments — pool chemistry affects each parameter interactively.
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