Swim'n Play International Concord Oval - Manual (Page 29)

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TREATING THE WATER
WARNING: The information contained in the following sections about
Water Treatment and Filtering are generalities. If you acquire any
of these materials, we recommend that you follow the instructions
which accompany the given product closely.
In order to keep the pool water clean and clear, you must use a
disinfecting agent. Its role is to kill off any micro-organism and bac-
teria contained in the water and to prevent algae growth. Disinfection
involves two main factors: the water’s acidity (pH) and its chlorine
content.
The pH value indicates whether a given body of water is acid or alka-
line and to what degree.
The water in a swimming pool must have a pH value ranging
between 7.2 and 7.6. Beyond this level, the action of chlorine is
considerably inhibited and the water can become irritating. If the pH
value is below 7.2 the water is aggressive and can be the cause of
corrosion of the metal parts of pool appliances.
CHLORINE CONTENT
This is measured in milligram-liters (mgl) of active chlorine. This
value must be situated between 0.4 and 1 mgl. The water must be
tested for pH and chlorine values by colorimetric analysis, using
an analysis kit. We strongly recommend that you replace the kit’s
reagents once a year. Observe the instructions provided with the kit.
I - PUTTING THE POOL
INTO SERVICE
When reopening the pool or refilling it with water, the following opera-
tions should be performed:
1-pH
Check the pH value, which should be situated between 7.2 and 7.6.
Use the analysis kit. If the pH value found is higher than 7.6, use
“pH MOINS” (pH decreaser);
If the pH value found is lower than 7.2, use “pH PLUS”
(pH increaser).
Comply with the dosages indicated on the package.
2-Chlorine
Check the active chlorine value, which must be at least 0.4mgl.
If the value found is lower than this, use chlore rapide (rapid action
chlorine) in granulated or tablet form in order to rapidly rebuild the
minimum active chlorine level.
For normal operating, place the 200g or 600g chlore lent (slow action
chlorine) chlorine cakes in the skimmer (200g for 25 m3 water). The
slow distribution of this chlorine will keep the chlorine values of your
pool stable for approximately 8 to 10 days.
WARNING: It is very important that chlorine products be placed
exclusively in the skimmer.
3-Stabilizing agent
Sun rays and warm water temperatures decompose chlorine, largely
imparing its disinfecting capacity and leading to increased chlorine
requirements. In order to eliminate this problem, when filling the pool,
use the stabilisant stabilizing agent.
This operation need not be renewed as long as the pool is not
drained. Please see the instructions provided with the technical
description of the product.
Please note that addition of too much stabilizing agent will have a
chlorine-inhibiting effect. In this case, it suffices to eliminate 2 to
3% of the water in the pool every week, preferably during cleaning
operations.
4-Water-softening agent
If using hard water (containing lime), initial treatment is very impor-
tant. In order to prevent lime deposits in the pool or in the filter, use
a water-softening or anti-liming product, following the instructions on
the package.
II - MAINTENANCE
When all the above operations have been successfully performed (pH,
Chlorine, stabilizing agent and anti-liming agent), it is importante to
ensure proper maintenance:
1- Once a week, control pH and chlorine
levels.
The pH value is generally quite stable, but it can be modified by adding
water to the pool and by the use of organic chlorine (e.g. Javel water or
Clorox), which often raises the water pH level and decomposes rapidly.
2-Check chlorine level.
If it has dropped below 0.4mgl, use chlore rapide (rapid action chlo-
rine).
3-Check
(slow action chlorine; 200g or 600g) in the skimmer. Do not wait for
them to dissolve entirely before adding the new ones.
III - ANTI-ALGATE TRETMENT
1-Preventive treatment:
At the dosage prescribed above, chlorine also acts as an algicide.
Stormy weather, frequent use of the pool, faulty filtering are factors
which can increase the rate of algae formation, resulting in slippery,
slightly greenish walls. In this case, do not hesitate to apply a high
chlorine dosage and leave the filter on around the clock.
2-High-dosage algicide:
If in spite of this measure the algae do not disappear, use a very
active algicide.
IV - FLOCCULATION
Certain very fine organic particles may not be sufficiently filtered by
sand filter action. The use of a flocculating agent will enhance the
efficiency of filtering, thus eliminating all suspended particles in pool
water.
Start by putting the flocculating agent into the filter. If it turns out
that this is insufficient, perform flocculation directly in the pool itself.
Observe the instructions on the package.
V - WINTER CARE
At the end of the season, after a thorough cleaning operation and
high-dosage chlorine treatment, use the “HIVERNAGE” (wintering)
product in the prescribed doses.
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