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Scale Buildup
Possible Cause
Calcium hardness level too high
Total alkalinity, pH or TDS too high
Calcium hardness level too low; rough soft water
scale forms
Metals present in high levels leading to buildup
Swimmer/bather Skin and Eye Irritation
Possible Cause
High or low pH or alkalinity, or both
High free chlorine level
High chloramine (combined chlorine) level
Recurring Algae Growth
Possible Cause
High nitrate level
Insufficient free chlorine content
Leaves, pollen or other organic waste
frequently enters pool system
High phosphate levels
Green Hair
Possible Cause
Elevated copper in the water
Extremely high free chlorine level (around
50 ppm) can bleach hair
Cheap shampoo
Solution
Add fresh water to dilute.
Adjust down or add fresh water to dilute.
Increase hardness level.
Add sequestering agent to reduce metal content.
Solution
Maintain pH and alkalinity at ideal levels for optimum
swimmer comfort.
Remove source and allow level to drop. Add fresh
water to dilute if necessary.
Shock (superchlorinate) to remove combined chlorine.
Solution
Add fresh water to dilute.
Maintain an ideal level of free chlorine. Increase dos-
age if necessary.
Keep covered when possible during peak times of
contamination.
You can add a phosphate control chemical.
Solution
Test copper level. Reduce copper level with a seques-
tering agent.
If free chlorine level is excessive, keep
bathers out of water until level drops.
Find a new hairdresser.
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