the start of the season have your water tested at a professional
TO KEEP WATER CLEAR AND HEALTHFUL
health, and maximum enjoyment is assured by keeping your pool
water in sparkling clear and sanitary clean condition.
In order to obtain this condition certain equipment and chemicals
available at your pool dealer are necessary.
such as a filter according to the size of your pool, skimmer
and a vacuum cleaner will take care of removing
suspended particles, leaves and oils from the water. A small
wading pool for washing the feet of those entering the pool
and a pool cover when the pool is not in use are recommended
to reduce dirt in the water. Utilizing this type of equipment
will keep your pool sparkling clear, but it will not purify
the water. Purification (killing of bacteria and algae) is
accomplished by the use of chemicals.
is the most commonly used bacteria killer for water. To make
the chlorine work properly it is necessary to keep the pool
water at the proper acid-alkaline balance.
A reliable pool water test kit will help to determine the daily
chlorine dosage and the acid-alkaline condition of the water.
You will find in the test kit two different color comparators.
The yellow side is for chlorine. The color of your pool water
sample after adding some drops of chlorine indicator solution
should be in the range of the color comparator of 0.3 to 0.6
p.p.m (parts per million). If the reading is below 0.3, add
more chlorine to the water. If the reading is higher than 0.6
add fresh water to the pool or leave it unused until the reading
drops. A too high content of chlorine will irritate the skin
and eyes. The pink side in the test kit will help you establish
the acid-alkaline condition of the water. The color of your
pool water sample after adding some drops of pH indicator solution
should be in the range of 7.2 pH to 7.6 pH of the second color
comparator. PH is the technical term for the measure of acidity
or alkalinity of water. Readings below 7.0 indicate acidity,
while readings higher than 7.0 indicate alkalinity. At 7.0 pH
the water is neutral.
pool water should be kept slightly alkaline at 7.2 to 7.6
pH. At this reading the water will be soft, comfortable and
the chlorine most effective. If the pH reading goes below
7.2 add soda ash. If the pH reading goes over 7.6 add sodium
acid condition will cause rapid consumption of the chlorine,
irritation of eyes and skin and will corrode the pool equipment.
On the other hand a higher degree of alkalinity
will slow down the chlorine action of killing bacteria and
algae, make the water cloudy and diminish its freshness.
A higher than pH 7.8 alkaline condition of the water will
cause stiffness, brittleness, and considerable shrinkage of
the liner. Since the chlorine compound is basically alkaline,
the continuous use of it will increase the alkalinity of the
the beginning of the season treat your pool water with a water
conditioner to prevent the building up of a high degree of
alkalinity. Some algae and bacteria become immune to low chlorine
concentration, therefore, every two weeks the pool should
be super-chlorinated (shock treatment) with about double or
even triple the normal dosage of chlorine. Do not use the
pool after shock treatment for at least 12 hours, then check
chlorine content and pH and make sure both are in the right
the start of the season use algaecides to prevent growing
of algae and add it regularly to reduce chlorine requirements.
water: high content of minerals or iron in the water - often
found in well water - will react with chlorine lowering its
action. By adding alum powder (turn off the filter during
this process) coagulated particles will settle to the bottom
and the water will become soft. Do not use the pool for 24-48
hours, then turn on the filter, vacuum and check pH and chlorine
content. (Replace the filter element).
the label directions of the manufacturer when using chemicals.
However, the real chemical balance depends on various factors
such as volume of pool water, temperature, exposure to sun,
dirt and number of swimmers. Therefore, make sure the reading
for chlorine is always 0.3 to 0.6 p.p.m and the pH 7.2 to
the chlorine and pH every evening, when nobody is in the pool
and adjust according to reading the necessary amount of chemicals.
Before using the pool the next day check again to make sure
the water has the right chemical balance.
A strong chlorine smell above the pool water indicates evaporation
of chlorine. More chlorine should be added to the water. Be
sure to check pH level again.
chemicals must be dissolved thoroughly. Improperly dissolved
chemicals may cloud the water, shorten the filter cycle and
damage the liner. A proper pH and the correct chlorine content
of the pool water are essential for the protection of all
filter running when adding diluted chemicals.
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