Why is water from my filter cloudy?
- Date: March 9, 2016
Whenever a high-end water filter cartridge is changed, it is normal for the water produced by the new filter to look cloudy, almost like a glass of skim milk. The cloudy appearance is due to very tiny air bubbles in the water. If you fill a clear glass with the cloudy water you can see the tiny air bubbles slowly rise to the top of the glass over several minutes leaving a clear, clean glass of water. The water is perfectly fine to drink. The air in the water is the same air that you are breathing.
This “cloudiness” happens because when the new water filter cartridge is manufactured, the filter is full of air, not water. Also, high end cartridges will filter water to 5 microns. By means of comparison, a human hair is 25 microns in diameter so the filter is full of holes 1/5th the diameter of a human hair. When water first starts to flow through the filter it is pushing the air out creating very tiny (5 micron) air bubbles. Once the filter has become completely saturated and all the air in the filter is gone, the filter will not produce any more cloudy water. Cheap, low grade filters do not create this condition.
Depending on how often the filter us used, it is normal for the filter to produce cloudy water for 1 to 4 weeks. Please remember that this will happen every time the filter cartridge is changed. Unfortunately there is nothing that we or anyone else can do to make it go away or to speed up the saturation process.
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