swimming pool water care

swimming pool water care


Water balance affects the safety of your equipment as well as the appearance of the water. pH is most critical, but the TA and CH levels must also be considered.

Total Alkalinity

Total Alkalinity refers to the amount of alkaline material (carbonates, bicarbonates and hydroxides) in your pool water. The proper range of TA is 120 to 175 ppm. High TA can cause: eye irritation, cloudy water, scaling, and make pH difficult to adjust. Low TA can cause: eye burn, etched plaster, corrosion and staining.


pH is a measurement of the relative acidity and basicity (alkalinity) of water. pH is measured on a scale that runs from 0 to 14. pH values below 7 are acidic and values higher than 7 are basic (alkaline). Your pool water should always have a pH in the range of 7.4 to 7.8.

Calcium Hardness

Total Hardness refers to the amount of calcium and magnesium carbonate in water. High CH can cause: cloudy water, scaling. Low CH can cause: etched plaster, corrosion and staining.

Sanitation of Pool Water

Sanitation refers to the control of infectious organisms (bacteria, virus, etc.), the removal of excess organics (perspiration, urine, body oils) and the prevention of algae growth.


Aqua Stabilized Chlorine comes in two different forms: quick dissolving granular Dichlor and compressed Trichlor. The Trichlor is available in 15, 50, 200 and 228 gram sizes.


No matter which form of chlorine is used, you must maintain a chlorine residual of 1-3 ppm. As long as the residual does not drop below 1 ppm, the water will be sanitary.



To effectively eliminate chloramines from pool water, super chlorination or "shocking" is necessary. Shocking should be performed on a weekly basis or whenever you notice a "chlorine odour".


Keeping the Green Out

Algae are microscopic forms of plant life that are introduced into your pool through rain, wind and dust storms. There are many types of algae, some of which are very resistant to regular chemical treatment. For this reason, algae can grow in pools even if the chlorine residual is in the proper range.

It is easier to prevent algae than to kill an existing growth. In algae prone areas (usually, but not limited to, hot humid climates with an abundance of plant life), the use of a good algaecide is recommended on a regular basis.