Arctic Spas Manuals

SPA BOY® OWNERS MANUAL

79. Water Chemistry Abbreviations/Acronyms & Ranges

1.8 Water Chemistry Abbreviations / Acronyms & Ranges

 

ABBREVIATION/ACRONYMSDEFINITIONCORRECT CHEMICAL LEVELS
CHCalcium Hardness50 – 150 ppm
TATotal Alkalinity80-100 ppm
pHPotential Hydrogen7.2 – 7.6 ppm
ORPOxidation–Reduction Potential

545 – 550 mV Spa Boy Optimum Range. (Optimum Range is the default factory setting, the user may adjust higher if preferred by contacting their dealer to have it adjusted).

Depending on the water chemistry which will be effected by bather load and spa usage, at times the ORP value will overshoot or undershoot the Optimum Range.

Note: Using a Drop Test Kit, a 0.5ppm Chlorine reading = approximately 550mV