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Bleach does eventually lose its effectiveness, depending on how long it is stored. When diluted with water, bleach loses it's ability to disinfect after 24 hrs. www.med.cornell.edu/ehs/faq/biological_safety.htm

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Q: How long will bleach be effective?
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Related questions

Using bleach regular does it looses its effectiveness?

No bleach will remain effective


Is bleach effective on dirty surfaces?

Yes it does


Is bleach only effective on clean surfaces?

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What happens when you mix 30 volume creme developer and bleach?

30 volume developer is often mixed with bleach for high lift blonding. This mixture is very effective, but should be used cautiously if done by a nonprofessional. There can be serious side effects if left on the hair too long.


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No, traditionally bleach is used to clean toilets as it kills bacteria, however these days there are many alternate products available that just as effective.


What is the most effective way to get rid of stains in clothes?

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