Add the relevant reasons that affect the water quality of swimming pools.
1. swimming pool equipment and water treatment equipment are aging or damaged. Filtration and disinfection are the most important. Whether the impurities in the water are completely filtered and whether the bacteria and pathogens are completely killed, once the equipment is aged or damaged, the water quality will not meet the specified requirements.
2. Swimming quality of swimmers. Whether to wash before entering the pool, whether to wear a hood to prevent hair from falling off, and whether children urinate in the pool are also one of the unclean factors.
3. The discharge of human sweat and impurities (note that the highest content component in urine is urea). Swimming is a kind of physical exercise, sweating and discharging impurities.
4. Cleaning and maintenance of swimming pool. Labor costs are not in place.