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Troubleshooting Guide
Optimal Levels
Test
Free Chlorine – Pool
Free Chlorine – Hot Tub
Bromine
pH
Total Alkalinity
Algae
Possible Cause
Green, black or pink algae
Yellow/mustard algae
Corrosion
Possible Cause
Low pH or hardness levels
High salt or TDS concentrations
High chlorine or bromine levels for extended period
of time
Foul Odor
Possible Cause
Foul chlorine odor: chloramine level is too high
Rotten egg smell: excess metals present
Foam on the Water
Possible Cause
Hardness too low
Some algaecides produce foam
Source unknown
If the problem is...
Ideal Reading
1.0 - 3.0 ppm
3.0 - 5.0 ppm
2.0 - 6.0 ppm
7.2 - 7.8
80 - 120 ppm
Solution
Treat with algaecide or superchlorinate and backwash.
Superchlorinate or treat with algaecide. Brush and
vacuum required. Backwash filter.
Solution
Increase levels to balance water.
Add fresh water to dilute.
Remove source of sanitizer and allow
level to drop. Add fresh water to dilute
if necessary.
Solution
Shock to eliminate combined chlorine.
Add sequestering agent to reduce metal level.
Solution
Adjust up.
See manufacturer' s directions.
Add defoamer.
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