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