Balanced water testing is something that you should be doing weekly in order to determined whether you pool water is 'balanced'. This refers to whether the water is corrosive or scale-forming.Corrosive water will eat away at grout, pump seals, pipework etc. (basically, anything it comes into contact with). Scale-forming water does the opposite of corrosive and instead of eating away at things it will form a scale on it (you're likely to see the effect of this on the heating element of your ke... Continue reading ...