2
WATER CHEMISTRY
For your health and the protection of your pool equip-
m
ent, it is essential that your water be chemically
balanced. The following levels must be used as a
guide for balanced water.
CAUTION: Corrosive water voids all warranties.
Recommended
Level(s)
Fiberglass Pools Fiberglass Spas
Other Pool and Spa
Types
Water Temperature 68-88°F (20-31°C) 89-104°F (31-40°C) 68-104°F (20-40°C)
pH 7.3-7.4 7.3-7.4 7.6-7.8
Total Alkalinity (ppm) 120-150 120-150 80-120
Calcium Hardness (ppm) 200-300 150-200 200-400
Salt (ppm) 6000 Maximum 6000 Maximum 6000 Maximum
Free Chlorine (ppm)* 2-3 2-3 2-3
Total Dissolved Solids
(ppm)
3000 Maximum 3000 Maximum 3000 Maximum
*Free Chlorine MUST NOT EXCEED 5 ppm!
Occasional chemical shock dosing of the pool or spa
should not damage the heater providing the water is
balanced.
Automatic chemical dosing devices and salt chlorina-
tors are usually more efficient in heater water, unless
controlled, they can lead to excessive chlorine level
which can damage your heater.
Further advice should be obtained from your pool or
spa builder, accredited pool shop, or chemical suppli-
er for the correct levels for your water.
Rev. 22 reflects the following: Changes to: The C-UL Listed Mark on page 1.
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