Hard water contains dissolved lime, chalk and other minerals and quickly causes scale to form on all surfaces, when the water evaporates and the minerals are left behind.

Most homeowners have experienced the costly consequences of hard water scaling are clogged pipes, coated domestic appliances and failure of heating elements and pumps.

When it comes to pool water the importance of maintaining the correct balance is obvious.  How can this be achieved, with due respect paid to health, environment and budget?