Salt-Water Pool Calcite Saturation Index (CSI) & Exact Gram-Dosing Solver

Deterministic Ionic-strength Debye-Hückel Calcite Saturation Index with CYA & borate carbonate-alkalinity correction + stoichiometric dosing engine (.pdf, .json, .csv) built for Pentair, Hayward, Zodiac, Taylor Technologies — zero-upload ephemeral Wasm RAM execution.

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