Langelier Saturation Index Calculator - GEGCalculators
https://gegcalculators.com/langelier-saturation-index-calculator/
WEBAug 15, 2023 · The Langelier Saturation Index (LSI) is calculated using the formula: LSI = pH - (pHs + pHr), where pH is the measured pH of the water, pHs is the pH at saturation (dependent on temperature, calcium, and alkalinity), and pHr is the pH at which the water is considered balanced (typically 7.0).
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