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It depends on a number of factors including how much chlorine is consumed in doing its job of oxodizing radicals in the water. If the water is very well sanitized and nobody is using the pool, there's not a lot for the chlorine to do and of course it will last longer. On the other hand, if the pool water has algae and/or lots of swimmers, there is a lot for the chlorine to do and it will be used up more quickly. Water temperature is also a factor. In cold water not much wants to grow, so the chlorine is not used up in oxodizing things. Sunlight also destroys chlorine - that's why it is advisable to use a stabilizer (conditioner), which helps prevent the sun from destroying the chlorine. The bottom line is, test the chlorine level regularly and add chlorine when and as necessary.

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8y ago
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16y ago

depends on how much you put in it is 15 min to 2 hours but if you put in more then you should it will be longer because it the chlorine has to evaporate

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12y ago

it can take up to 12 to 20 hours for chlorine to sit in a adverage pool. (;

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Q: How long does chlorine last in pool water?
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Will new sod dye when you drain chlorine pool?

No chlorine does not last long out in the oppen.


Is pool shock the same as chlorine?

There is chlorine shock and non chlorine shock. Fo chlorine shock, which is the normal shock, it is the same a s Chlorine but unstabilized, so it will not last in the pool very long.


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it takes a matter of time because it depends on if alot of people are in the pool or not


Is a salt water or chlorine pool better?

A Salt water pool is a chlorine pool. The difference is that in the case of a saltwater pool there is a chlorinater fited inline that converts the salt into chlorine automaticaly, Meaning that you don't have to purchace any chlorine to keep up chlorine levels.


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The chemical that usually goes in a pool is chlorine. This is the first chemical as well as the last chemical to enter the water.


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The chlorine is reacting to minerals in the water.


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Hair bleaches in the pool not because of the chlorine, but because of the metals and copper in the water. If the pool has a high concentration of metals and copper, then yes, it will appear or turn a faint green.


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Is it ok to use pool chlorine tablets to chlorinate household water?

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