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In daily life, we often hear discussions about water quality, and residual chlorine and total residual chlorine are one of the important indicators. So, what are the differences between them

We need to understand what residual chlorine and total residual chlorine are. Residual chlorine refers to the amount of chlorine gas or hypochlorous acid remaining in water, which is the unused portion of the water after a water treatment plant adds disinfectants (such as chlorine gas or sodium hypochlorite) to the water. And total residual chlorine refers to the total chloride content in water, including residual chlorine, free chlorine, and chloramines. Simply put, residual chlorine is the residual amount of disinfectant, while total residual chlorine is the total chloride content in water

The impact of residual chlorine and total residual chlorine on water quality is different. Residual chlorine is an indicator of disinfection effectiveness. When the content of residual chlorine is within an appropriate range, it can effectively kill bacteria and viruses in water, ensuring water hygiene and safety. However, high or low residual chlorine content can have an impact on human health. High residual chlorine content may produce carcinogens, while low residual chlorine content cannot effectively disinfect. However, total residual chlorine more reflects the pollution situation in water, and the chloramines in it are harmful to human health. Therefore, excessive total residual chlorine content can also have an impact on health

In daily life, the tap water we drink contains residual chlorine and total residual chlorine to ensure water hygiene and safety. However, long-term consumption of water containing excessive total residual chlorine may have adverse effects on health, so we should choose water sources that have been treated with professional water purification equipment to reduce the content of total residual chlorine. In addition, water quality monitoring in public places such as swimming pools is also very important to ensure that water quality meets standards and safeguard public health. At the same time, government departments should also strengthen water quality supervision to ensure the safety of water use for citizens

In short, understanding the difference between residual chlorine and total residual chlorine, as well as their importance in daily life, can help us better safeguard the health of ourselves and our families. Not only should one pay attention to the quality of drinking water in their own homes, but also to the water quality safety in public places. Actively support and participate in water quality supervision, and jointly create a healthy and safe living environment.