Chemical Balance - Pentair MASTERTEMP 125 Installation And User Manual

Section 6. Maintenance
48

CHEMICAL BALANCE

pH
If pH becomes too high (over alkaline), it has these effects:
CAUTION: Do not test for pH when the chlorine residual is 3.0 ppm or higher, or bromine residual is
6.0 ppm or higher. See your local pool supply store for help in properly balancing your water chemistry.
WATER CHEMISTRY PARAMETERS
Disinfectant levels
Free Chlorine, ppm
Combined Chlorine, ppm
Bromine, ppm
Other Sanitizers
Chemical Values
pH
Total Alkalinity (Buffering), ppm
as CaCO3
Salt ppm
Total Dissolved Solids, ppm
Calcium Hardness, ppm, as CaCO3
Heavy Metals
Biological Values
Algae
Bacteria
*
Start-up TDS includes source water TDS and any other inorganic salt added at start-up.
NOTE (**): Failure to adhere to the listed water chemistry parameters may result in premature failure of the heat exchanger and will
.
MASTERTEMP ® 125 Pool and Spa Heater Installation and User's Guide
(continued)
Minimum
1.0
None
2.0
Levels not established. Consult local health department before use.
7.2
60
2000
N/A
150
None
None
None
Ideal Maximum
2.0-4.0
None
4-6
7.4-7.6
80-100
3200
N/A 1,500 ppm > TDS at startup*
200-400 500-1,000
None
None
None Refer to Local Code
5.0**
0.2
10.0
7.8**
180
5000**
None
None
Table 7.
Rev. B 8/14