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Charles, Engineering Contractor
Category: Home Improvement
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Experience:  20+ years in most phases of construction
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Can bleach freeze if left outside during cold winters?

Resolved Question:

Does bleach freeze if left outside during cold winters and if so around what temperatures?


Submitted: 5 years ago.
Category: Home Improvement
Expert:  Charles replied 5 years ago.


Thanks for your question!

Yes, bleach does freeze. There are various concentrations of bleach and each will respond at a different temp.

The chlorine content of the bleach will determine at what point the bleach will freeze. If you are talking about a bottle of house hold bleach then it will be around 18 to 19 degrees F. This will also depend on windchill if the bleach is outside of a protective structure. To be on the safe side, any long term cold below freezing will start to affect the bleach once you get into the 18 F to 20 F degree range.

I hope this answers your question.

Thanks again.

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