Posi-Chlor® Salt Water Chlorinator Owner’s Manual
6
2. PREPARING THE SWIMMING POOL
2.2 Chemical balance of the water
The effectiveness of chlorination and the quality of water for healthy bathing, depends
largely on the pH of the water. Therefore, it should be checked regularly and adjusted as
necessary.
There are other parameters which should be considered for the correct operation of the salt
water chlorinator. We recommend an in-depth analysis of the water when installing a salt
water chlorinator.
Parameter Units Minimum Value Maximum Value
PH 7.2 7.6
Free Chlorine ppm 1.0 4.0
Combined Chlorine ppm 0.0 0.6
Total Bromine ppm 3.0 6.0
ORP mV 650 750
Cyanuric Acid
(Stabiliser)
ppm <30
Total Alkalinity ppm 80 120
Calcium Hardness ppm 200 500
Copper ppm 0.0 0.1
Iron ppm 0.0 0.1
Phosphates ppm 0.0 0.1
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