Common swimming pool water quality indicators

The free residual chlorine reflects the continuous disinfection ability of the disinfectant in the swimming pool. The free residual chlorine in the pool water should be controlled at 0.3~1.0mg/L, which can achieve the disinfection effect without harming the human body.

Hygienic requirements are 7.0~7.8. Within this range, it can keep the disinfectant active and continue to play a bactericidal role.

The standard stipulates that the water temperature of the artificial swimming pool should be between 23~30 ℃, and the appropriate water temperature can allow people to stretch their blood vessels during exercise.

How to judge the water quality of swimming pool

The health reputation sign is a comprehensive assessment of the health status of the swimming pool, including water quality, ventilation system, public goods, health management and other indicators. It needs to be publicized at a conspicuous location.

The swimming pool shall also publicize the health license, health certificate of employees, health inspection report, self inspection results and measurement time when the swimming pool is open.

Close to the pool water, you should be able to smell the faint "disinfection water smell". If the "chlorine smell" is too strong or even chokes people, it is likely that the residual chlorine exceeds the standard.

Stir the water with your hands to feel if there is any obvious skin discomfort. If skin itching and pain occur after entering the water, eliminate the cause of skin sensitivity, and the residual chlorine and bacteria in the water may exceed the standard.

Pool operators should