LaMotte Pool Manager Water Quality Handbook - Manual (Page 39)

Cloudy Water
Cause
Poor Filtration Algae Growth Unbalanced Water
Confirmation
Slow filter turnover
rates
Hazy pool
water with
slightly green
appearance
HIGH
• Calcium
hardness
• TDS
• Cyanuricacid
LOW
• pH
• Alkalinity
Treatment
• Backwash and
clean filter
• Determine if
filter media
needs
replacement
• Run filter for
24 hours
• Super-
chlorinate to
30 ppm
chlorine and
brush pool
surfaces
• Replace a
portion of
the pool
water with
fresh water
of low
hardness
and TDS
• Add dry
acid or
liquid acid
to reduce
pH to
7.2-7.6
and
alkalinity
to 80-120
Note: Consult a pool professional if a cloudy condition persists.
Repeated treatments or the use of a clarifier may be
recommended.
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