The water quality of baby's swimming pool is higher. If the water treatment drugs used are not good, such as bleach or strong chlorine essence, this is a cost-saving disinfection products with good disinfection effect, but the residual chlorine content in water may exceed the standard, which will cause irritation to people's skin, especially eyes. If disinfected with chlorine dioxide or ozone, basically water will not irritate the skin and eyes.
Swimming cards can be sold cheaper online. Forget it. I can't get hurt.