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PROBLEM
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SYMPTOM
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CAUSE
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REMEDY
|
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ALGAE
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Green water, black spots on surfaces, yellow film on steps or walls, slippery surfaces, cloudy water
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Lack of free chlorine; inadequate water circulation,
|
Adjust pH
Chlorine Shock if needed
Brush if necessary
Add algaecide
|
|
CHLORINE ODOR
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Strong odor or burning eyes
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Early Algae Growth
|
Shock Treatment
|
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High pH
|
Decrease pH
|
|
|
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Low Chlorine
|
Shock Treatment
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CLOUDY WATER
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Hazy, cloudy water, no sparkle
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Low Total Alkalinity
|
Increase alkalinity/
baking soda
|
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Calcium Suspension
|
Muriatic Acid/+or- Soda Ash
|
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Poor Filtration
|
Check Filter, run for 24 hours
|
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Low Calcium Hardness
|
Increase Calcium
|
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EYE, SKIN IRRITATION
|
Red eyes itching skin
|
Improper pH
|
Adjust pH
|
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SCALE FORMATION
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Scale deposits on walls, pipes, filter, heater
|
High pH
|
Decrease pH
|
|
High Calcium Hardness
|
Adjust pH and alkalinity to ideal ranges
Dilute pool water.
Control Metals with sequestering agent
|
|
COLORED WATER
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Brown/Red
|
Iron
|
Adjust pH,
Control Metals with sequestering agent
|
|
Black
|
Manganese
|
|
Green
|
Copper
|
|
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Green
|
Algae
|
Brush & Shock
|
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CORROSION of METALS
STAINS ON POOL WALLS
|
Metal Corrosion, rust stains, copper stains, colored water
|
Low pH
|
Brush
Increase pH
Check alkalinity
|
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HIGH CHLORINE USE
|
Excessive use of chlorine
|
Heavy swimmer load, dirt, high temperatures
|
Super Chlorinate w/shock treatment
|
|
Unstable pH
|
Control pH
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