Why does the water color change?
The color change in the water can be attributed to a multitude of variances including, the water quality you are using, your health status, and the weather conditions, just to name a few. Adding salt to your water can also cause the water to turn color because of pollutants being precipitated out of the water. Using Potassium Citrate is less likely to cause this reaction in the water. Using Potassium Citrate will also cause less pitting of the positive track plates in the Orb.
The color change in the water can be attributed to a multitude of variances including, the water quality, types and amounts of chemicals present from the water authority other minerals, salts etc which can raise conductivity and influence the amount the positive rings and track will wear also adding to these colors and sediments, just to name a few. Please read the article on water color changes on this site.