37
•
Regulate pH value
The pH value is an indication of the acidity or alkalinity of the water. Ideally, this
value lies between 7.2 and 7.4.
The pH value is subject to fluctuations for a number of reasons. A weekly check and
adjustment of the pH value is therefore required.
Without properly adjusted pH value, no effective disinfection of the pool can be
performed.
Water with a pH value that is too low leads to corrosion of metals; a value that is too
high leads to increased lime precipitation and physical impairment such as skin and
eye irritations.
•
Control alkalinity also known as the TA value (Total Alkalinity)
The alkalinity of pool water protects the pH value from sudden fluctuations. The level
should be between 80 and 160 mg/l.
If the alkalinity falls below 80 mg/l, it can result in significant fluctuations in the pH
value, thereby causing corrosive water conditions.
If the alkalinity is too high, then setting the pH becomes very difficult, if not even
impossible. If despite the addition of pH minus or pH plus (also in larger quantities)
no change is measurable, you should check the TA value.
•
Disinfect the water
The ideal living conditions for micro-organisms prevail in water. Only a few are really
pathogenic but these constitute an infection risk for you; nevertheless an unsightly
bio film can develop on your pool. In order to maintain the water in a safe, clean and
hygienic condition it is necessary to kill these bacteria.
The pool is already fitted with an O
3
generator as standard and this handles the
basic disinfection. This is usually sufficient but only so long as no organic material
is introduced by the bather or the environment. Thus, additionally a chemical water
disinfection is unavoidable.
•
Prevent
algae
(particularly outdoors)
Current disinfectants are not really sufficient, particularly outdoors, to prevent algae
formation over a long period of time. Timely treatment of the bathing water with
products that inhibit algae build up should therefore be considered.
A low percentage of algae prevention medium should always be available in associa-
tion with outdoor usage.
•
Clean and change filter
In order to extend the use of a filter cartridge to the maximum, it is important that
you take a shower before bathing. Sebaceous matter, dandruff and creams in par-
ticular (sun cream, body lotion etc.) all combine to ensure that the filter cartridge
must be replaced after a very short time.
Clean the filter cartridge once a week and change it at least twice a year.
Always have 1-2 filter cartridges available (order no. 790598 00 0 00 0000).
Summary of Contents for Pool
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