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What is the disinfection water used in waterworks? Liquid chlorine or bleach?
At present, many of our waterworks use food-grade bleach, although sometimes there is some residual chlorine, but this is enough for the domestic people. If you want to be safe, you can use chlorine dioxide. The price is a bit high, but it is absolutely safe. If our country can really treat tap water with chlorine dioxide, we can really connect with the world in the field of water purification (Northwest Red Flag).