Section 4. Pool Water Preparation; Determining Pool Size (Litres Of Water In Your Pool); Determining Pool Size (Gallons Of Water In Your Pool); Chemistry You Need To Know - Zodiac Nature2 Vision Pro Manuel D'installation Et De Fonctionnement

section 4. pool Water
preparation
4.1 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 785 = litres capacity.
• Oval Pools
Long diameter (metres) x short diameter (metres) x
average depth (metres) x 785 = litres capacity.
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.
General Rule of Sizing: In areas with year-round use
and high water temperatures, the following must be
considered:
High Water Temperatures: Because chlorine
demand increases with the rise of water temperature,
adjustments must be made in order to keep up with
chlorine demand. In hot summer months, where the
water temperature rises above 30ºC (85ºF), you must
increase the pump run time and increase the chlorine
output.
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Zodiac Nature 2 Vision Pro
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Installation and Operation Manual

4.3 Chemistry You Need to Know

• Chlorine Stabilizer for Outdoor Pools (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 30 - 100 PPM. The addition of chlorine
stabilizer is not necessary for indoor pools.
• 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
service representative can test for nitrates. Make
sure nitrates are not present in your pool.
• Metals (some metals) can cause loss of chlorine.
Also, metals can stain your pool. Have your
local service representative 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.
• Super Chlorination burns out the organic material
that has combined with chlorine. This frees the
chlorine for sanitizing. This is accomplished by
raising the chlorine level quickly and dramatically.
• 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 to quickly raise the level of
chlorine. When the chlorine level is quickly raised
to 5 - 15 ppm the pool water is said to have been
shocked.
NotE On initial startup of a pool, it is best to shock
from an alternate source, i.e., use a shock
treatment available at your local pool supplier.
New pool water in a recently filled or newly
•
refinished pool may contain undesirable matter. This
undesirable matter could interfere with the vessel's
ability to sanitize properly. Make sure the water
is tested by a service representative and properly
balanced before turning on the sanitizer system.
• Sequestering Agents may be used in some areas
where the total hardness of your source water
may be unusually high. High total hardness
can contribute to scale formation in the pool.
Sequestering agents will help keep minerals in
solution and under some conditions can prevent this
from happening. Consult your service representative
about the use of a sequestering agent.
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