Section 4. Pool Water Preparation; Determining Pool Size (Gallons); Determining Pool Size (Litres); Chemistry - Polaris AutoClear SC Installation And Operation Manual

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Section 4. Pool Water
Preparation
4.1 Determining Pool Size (Gallons of
Water in Your Pool)
• Rectangular Pools
Average length (feet) x average width (feet) x
average depth (feet) x 7.5 = gallon capacity.
• Circular Pools
Diameter (feet) x diameter (feet) x average depth
(feet) x 5.9 = gallon capacity.
• Oval Pools
Long diameter (feet) x short diameter (feet) x
average depth (feet) x 5.9 = gallon capacity.
• Sloping Sides
Multiply total gallons by 0.85 = gallon capacity.
4.2 Determining Pool Size (Litres of Water
in Your Pool)
• Rectangular Pools
Average length (metres) x average width
(metres) x average depth (metres) x 1000 = litres
capacity.
• Circular Pools
Diameter (metres) x diameter (metres) x average
depth (metres) x 790 = litres capacity.
• Oval Pools
Long diameter (metres) x short diameter (metres)
x average depth (metres) x 790 = litres capacity.
• Sloping Sides
Multiply total litres by 0.85 = litres capacity.
4.3 Chemistry You Need to Know
• Chlorine Stabilizer (cyanuric acid) is needed
to maintain proper levels of chlorine. Most
non-stabilized chlorine is destroyed by the UV
radiation from the sun within two (2) hours.
Chlorine stabilizer should be maintained between
10 - 50 ppm. For indoor pools, it is not necessary
to add chlorine stabilizer to the swimming pool
water.
• Nitrates can cause extremely high chlorine
demands and will deplete chlorine from your
swimming pool. In some cases nitrates may even
lower your chlorine levels to zero. Your local
pool professional can test for nitrates. Make sure
nitrates are not present in your pool.
• Metals (some metals) can cause loss of chlorine
stain your pool. Have your local pool professional
check for metals and recommend methods of
removal.
• Chloramines should not be present in pool
water. When organic materials combine with free
chlorine, chloramines are formed. This ties up
the free chlorine in your pool and does not allow
the chlorine in your pool to disinfect. Chloramines
also cloud pool water and burn the eyes. Shock
to remove chloramines at the initial startup of
the pool.
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ENGLISH