What causes a rust stain?
• White or cloudy water: The cloudiness in your water is typically caused by tiny air bubbles in the water. This occurs when air is entrapped in the water, similar to carbon dioxide in a bottle of soda. When you turn on your tap, the pressure is released, allowing the bubbles to appear, just as removing the cap from a soda bottle causes the soda to fizz. The rate and degree to which this occurs is directly related to water temperature and more so to temperature changes. This cloudiness occurs more often in winter when the drinking water is cold and the home, along with its plumbing is heated. If you allow a glass of water to stand for a few moments, the air bubbles will rise to the surface and will usually clear from the bottom of the container up to the top. This phenomenon is called entrained air and does not affect the quality of your water. • Blue water: The use of blue disinfectant in your toilet might cause discoloration of your tap water, particularly if the water supply to your
