Water Balance

On June 27th, 2012, posted in: Pool Chemicals by Comments Off on Water Balance

Correct Water Balance

Incorrectly balanced water can cause the water to seek chemicals from elsewhere and in turn damage your pool.  Not having the right water balance can also slow down the sanitising of the pool water and if left untreated or treated incorrectly can be a serious health threat.

Variables:

1.      pH
2.      Total Alkalinity
3.      Calcium Hardness

pH

The pH scale ranges from 0 to 14.  Below 7 means the water is acidic and above 7 means the water is alkaline.  When the pH reading is 7 it is neutral.  The Australian standard is between 7.2 – 7.8 for sanitiser use, longevity of the pool and of course to suitable for the swimmers.

Total Alkalinity

Total Alkalinity is also known as pH buffer.  It is the measure of bi-carbonates in the water.
The Australian Standard recommend between 60 – 200ppm.  Total Alkalinity prevents pH levels from fluctuating dramatically especially when chemicals are added.

Calcium Hardness

The Australian Standard recommendation for Calcium Hardness is 80 to 500ppm.
Calcium hardness is the measure of dissolved calcium in the water.  It is important to keep calcium levels right to prevent corrosion or scaling of the pool surfaces.