Water temperature。 Pool water temperature is low or high, can make the body feel uncomfortable, maintain a stable water temperature is very necessary, generally between 22 ℃ to 26 ℃.
ph value. It affects the comfort of swimmers, water clarity, and so on, according to the relevant data indicate that ph value between 6.5 to 8.5, the body feels more comfortable, if the ph value too high or too low, the skin will be stimulating.
Residual chlorine. The standard content of residual chlorine is the indicator of residual disinfectant after disinfection treatment of water containing chlorine.
Urea。 Urea is excessive, easily lead to the swimmer's skin mucous membranes suffer.
Turbidity degree. The water quality of the swimming pool is not more than 5 degrees, the water quality is less turbid.