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Water Chemistry
(Corrosive water voids all warranties)
For your health and the protection of your pool equipment, it is essential that your water be chemically
balanced. The following levels must be used as a guide for balanced water.
Recommended Level(s) Fiberglass Pools Fiberglass Spas Other Pool & Spa Types
Water Temp. (Deg. F) 68 to 88 89 to 104 68 to 104
pH 7.3 to 7.4 7.3 to 7.4 7.6 to 7.8
Total Alkalinity (PPM) 120 to 150 120 to 150 80 to 120
Calcium Hardness (PPM) 200 to 300 150 to 200 200 to 400
Salt (PPM)
RP 316L SS
1000 MAXIMUM 1000 MAXIMUM 1000 MAXIMUM
CR Super
Alloy
6000 MAXIMUM** 6000 MAXIMUM** 6000 MAXIMUM**
Free Chlorine (PPM)* 2 to 3 2 to 3 2 to 3
Total
Dissolved
Solids (PPM)
RP 316L SS
1000 MAXIMUM 1000 MAXIMUM 1000 MAXIMUM
CR Super
Alloy
3000 MAXIMUM 3000 MAXIMUM 3000 MAXIMUM
Metals (PPM) 0 0 0
*Free Chlorine MUST NOT EXCEED 5 PPM!
• Occasional chemical shock dosing of the pool or spa water should not damage the heater providing
the water is balanced.
• Automatic chemical dosing devices and salt chlorinators are usually more efficient in heated 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
supplier for the correct levels for your water.
2
** CR Superalloy can tolerate higher salt levels, and is even seawater resistant, but salt levels above 6000
PPM may cause damage to other components of the pool system, pool equipment or hardware.