What causes swimming pool water to change color?

What is the reason for the discoloration of swimming pool water? The discoloration of swimming pool water is mainly due to the excessive concentration of metal ions and the flooding of green algae. Their color composition is as follows: Colored water is roughly composed of the following: Brown water: dissolved Metal iron blue-green water: dissolved metal copper brown-black water: dissolved metal manganese, iron blue-white water: dissolved metal copper, aluminum green water: dissolved metal copper or iron or green algae black water: dissolved metal manganese white Cloudy water: dissolved metal aluminum Cloudy water is roughly composed of the following: Cloudy white water: dissolved organic amine nitrogen Not bright water: PH value is too high or the amount of filtration is not enough White water: Calcium hardness is too high Black water: Filter Spray Poolking is the best swimming pool equipment manufacturer and supplier in China. Poolking exists to provide the highest quality swimming pool equipment while offering competitive pricing..