GENERAL INFORMATION:
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. Generally introduced by swimmers,
dust, rain storms and other elements.
Balanced Water - The correct ratio of mineral content and pH level that prevents pool
water from being-corrosive or scale forming.
Chloramines - Compounds formed when chlorine combines with nitrogen from urine,
perspiration, etc. Chloramines cause eye and skin irritation, as well as unpleasant
odours.
Chlorine Demand - The 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.
Cyanuric Acid - Also known as stabiliser or conditioner. It reduces dissipation of
chlorine by direct sunlight.
Liquid Acid - Chemical used to reduce the pH and total alkalinity in the pool water, and
for cleaning chlorinator Cell.
ppm - An abbreviation for Parts Per Million the accepted measurement of chemical
concentration in swimming pool water. I ppm- l mg/L.
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