Stains – LaMotte Pool Manager Water Quality Handbook User Manual
Page 43
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Stains
Color
Green/Red/Brown
Blue/Green
Brown/Black
Cause
Iron
Copper
Manganese
Treatment
•
Adjust pH & alkalinity to recommended ranges
•
Vigorously brush the stained areas
•
Add sequestering agent and run filter
•
After 12 hours, shock treat the pool
•
Retest pH and alkalinity. Test hardness levels, and, if necessary,
raise to 200 ppm
Note: Take a pool sample to a pool professional for dissolved
metals testing immediately after treatment and at least once a
month.
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