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Section 4. Pool Water Preparation
4.1
Determining Pool Size (Litres of Water in Your Pool)
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Rectangular Pools
Average length (metres) x average width (metres) x average depth (metres) x 1000 = litres capacity.
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Circular Pools
Diameter (metres) x diameter (metres) x average depth (metres) x 785 = litres capacity.
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Oval Pools
Long diameter (metres) x short diameter (metres) x average depth (metres) x 785 = litres capacity.
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Sloping Sides
Multiply total litres by 0.85 = litres capacity.
4.2
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.
4.3
Chemistry You Need to Know
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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.
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Metals
(some metals) can cause loss of chlorine and stain your pool. Have your local pool professional check for
metals and recommend methods of removal.
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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.
•
Super Chlorination
burns out the organic material that has combined with chlorine which frees the chlorine for
sanitizing. Super Chlorination is accomplished by raising the chlorine level quickly and dramatically. To super
chlorinate the pool using the Zodiac AquaPure Ei Series APURE35C chlorine generating device, set the chlorine
production to 100% and then set the pump and the cell to run for 24 hours.
•
Shocking
(Superoxidation) is also a means of burning out the organic material that has combined with chlorine. This
method involves the manual addition of chemicals (use a registered or scheduled source of sodium dichlor, calcium
Содержание APURE35C
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