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Pro Chemistry Advisor

Advanced LSI Balance & Dosage Calculator. adjusted for Florida's high temperatures and stabilizer use.

LSI Balance Score

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Water Parameters

Dosage Recommendations

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Why Carbonate Alkalinity Matters

Most basic calculators ignore Cyanuric Acid (Stabilizer). However, Stabilizer acts as a buffer, artificially inflating your Total Alkalinity reading. This calculator automatically subtracts ~30% of your CYA from the Alkalinity to give you the True LSI, ensuring you don't accidentally damage your pool surface by running water that is too aggressive.