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GENERAL INFORMATION
Common Terms
Algae
Microscopic forms of plant life which enter the pool by rain, wind and dust. There are numerous
varieties; some are free floating whilst others grow on walls and in cracks and come in different
colours. Some are more resistant to chemical treatment than others.
Bacteria
The germs that contaminate your pool. Introduced by swimmers, dust, rain and other elements.
Balanced Water
The correct ratios of mineral content and pH that prevent pool water from becoming corrosive or
scale forming.
Chloramines
Compounds formed when chlorine combines with nitrogen from urine, perspiration, or other
external elements. Chloramines can cause eye and skin irritation, as well as producing unpleasant
odours.
Chlorine Demand
The amount of chlorine required to destroy germs, algae and other contaminants in the pool.
Chlorine Residual
The amount of chlorine remaining after chlorine demand has been satisfied. This is the reading
obtained with your test kit.
Stabiliser/Cyanuric Acid
Also known as stabiliser or conditioner. It reduces dissipation of chlorine by direct sunlight.
Liquid Acid
Chemical used to reduce the pH/total alkalinity in the pool water and for cleaning chlorinator cells.
ppb
An abbreviation for parts per billion (1000 ppb = 1 ppm).
ppm
An abbreviation for parts per million (1 ppm = 1mg/L).
Algaecides
Do Not use copper based Algaecides in your pool or spa water
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