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N. LIST AND SOLUTIONS OF POSSIBLE FAULTS
PROBLEMS LIKELY TO BE ENCOUNTERED AND PROBABLE CAUSES
Symptoms
Green pool walls
Presence of algae
Sticky pool walls
Cloudy water
Cloudy water
Milky water
Smarting eyes
Coloured but clear water
Persistent foam
Excessive consumption
of pH minus
Incorrect operation of pH
regulator
Combipool-pHRedox_(Multi) - DOC015452 - Ind. A03 - 23/12/2020
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Probable causes
Not enough Remanent, bad
filtration,
High pH,
Absence of algicide
water too old
pH too high
Faulty filtration
Insufficient duration of filtration
(t°C/2+2h)
Powdered lime
Incorrect pH
Presence of metal oxide ions
Excessive use of algicide
TAC lower than 10°F
pH probe not calibrated
Faulty probe
Actions
Correct the pH
Perform a shock treatment
Filter non-stop
Flocculate
Preventive algicide treatment
Adjust the pH in steps
Flocculate
Use anti-lime & metal treatment
Check the filter (descale)
Sand too old (5 years max.)
Correct the pH
Shock treatment with calcium
hypochlorite 30 g/m3
Top up with fresh water to dilute
Check and if required correct the TAC
min 10°F
If pH adjustment check the sensor (+/- 3
years of service life)
Calibrate the probe at least twice a year
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