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Only if there's too much of it.
Just let it disipate.
In small amounts it is not, for example there is chlorine in pools to keep it clean but there is only a small amount. Too much chlorine is dangerouse for humans.
if you have coloured hair it can change ur hair colour
None, unless it is added to the water. Private wells are not usually chlorinated.
If too much chlorine is added Sulphurdioxide is used
Chlorine is added to water to kill microorganisms such as those that cause cholera and typhoid. However, too much chlorine would be harmful to humans.
Spring water is best, as tap water may have too much chlorine added to it at the reservoirs.
How much acid and chlorine should be added to a 5000 liter to make 5 ppm solution
Have you actually added liquid chlorine to the pool?
People putting it in.
Only if there's too much of it.
Just let it disipate.
Chlorine is not really an allergen (something that causes an allergy), but it is a mild-medium acid, and many people get an itchy rash after being exposed to too much chlorine, e.g. after swimming in a pool just after chlorine has been added. the best way to coulter this us to wash with fresh water wherever you have been exposed to chlorine (like having a shower after swimming)
To little and bacteria can thrive, to much and it can be harmful to the body.
you die
In small amounts it is not, for example there is chlorine in pools to keep it clean but there is only a small amount. Too much chlorine is dangerouse for humans.