Swim'n Play International Concord Round - Manual (Page 22)

21
TREATING THE WATER
WARNING: The information contained
in the following sections about Water
Treatment and Filtering are generali-
ties. If you acquire any of these materi-
als, 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 bacteria 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 alkaline 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 operations
should be performed:
1-pH
Check the pH value, which should be sit-
uated 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 chlo-
rine 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 chlo-
rine 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 clean-
ing operations.
4-Water-softening agent
If using hard water (containing lime), ini-
tial treatment is very important. 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, sta-
bilizing 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 chlorine).
3-Check
(slow action chlorine; 200g or 600g) in
the skimmer. Do not wait for them to dis-
solve 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 instruc-
tions on the package.
V - WINTER CARE
At the end of the season, after a thor-
ough cleaning operation and high-
dosage chlorine treatment, use the
“HIVERNAGE” (wintering) product in the
prescribed doses.
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