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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 bal-
anced water.
Recommended Level(s)
Water Temp. (Deg. F)
pH
Total Alkalinity (PPM)
Calcium Hardness (PPM)
Salt (PPM)
Free Chlorine (PPM)*
Total Dissolved Solids (PPM) 3000 MAXIMUM** 3000 MAXIMUM**
** In salt water chlorinated pools, the total TDS can be as high as 6000 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, and which is not covered under warranty. A check
valve should be installed between the heater outlet and a chlorinator or other chem-
ical dosing device.
•
Further advice should be obtained from your pool or spa builder, accredited pool
shop, or chemical supplier for the correct levels for your water.
Rev. 8 reflects the following changes:
Updated illustration on page 44.
Updated parts list on page 46.
WATER CHEMISTRY
(Corrosive water voids all warranties)
Fiberglass Pools Fiberglass Spas
68 to 88
7.3 to 7.4
120 to 150
200 to 300
4500 MAXIMUM
2 to 3
* Free Chlorine MUST NOT EXCEED 5 PPM!
89 to 104
7.3 to 7.4
120 to 150
150 to 200
4500 MAXIMUM
2 to 3
2
Other Pool & Spa
Types
68 to 104
7.6 to 7.8
80 to 120
200 to 400
4500 MAXIMUM
2 to 3
3000 MAXIMUM**
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