![]() So then, balanced water is that which is neither over or under-saturated. When water is over saturated and can no longer hold the minerals in solution it is in a scaling condition. When water is considerably less than saturated it is said to be in a corrosive or aggressive condition. It reminds me of the school science experiment, where you dissolve spoonful after spoonful of salt (or sugar) in a beaker, until at last - the water will dissolve no more salt into solution, and the grains just sit on the bottom of the beaker. This concept of water balance is derived from the fact that water will dissolve and hold minerals until it becomes saturated and cannot hold any more water in solution. It may also be defined as water that is neither corrosive or scaling. Chlorine levels should remain constant in the 1-3 ppm range. These are: pH: 7.2-7.8, Total Alkalinity: 80-120 ppm, Calcium Hardness, 180-220 ppm and Cyanuric Acid (Stabilizer): 30-50 ppm. A pool that is "balanced" has proper levels of pH, Total Alkalinity, and Calcium Hardness. Continuous filtration and disinfection removes contaminants which keep the water enjoyable but this is does not balance your water. You will probably not change the water in your pool for many years. Everything that comes into your pool will affect your pool water balance - in short, anything that comes in contact with your pool water. Your pool water is constantly changing, year round. It is simply the relationship between different chemical measurements in your pool water. Pool Water balancing is not such a complicated exercise.
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