Record actual readings
- Log pH, free chlorine, alkalinity, and optional salt readings.
- Record chemicals added, chemical cost, checklist items, and service notes.
- Keep historical readings with the visit and technician who recorded them.
Keep a clear record of the water tested and the work completed at each pool.
Calculate LSI from measured inputs and corrected carbonate alkalinity. Scale a product label's dose by pool volume and the desired concentration increase. The calculator does not calculate acid or pH doses; follow the product label.
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