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helium balloons
do helium balloons shrink or deflate quickly in cold weather (like 32-40 degrees Fahrenheit)
I want to get some helium balloons to leave outside for a friend's birthday and i was wondering if they would last overnight, or if i put them there in the morning would they last for up to 8 hours?
thanks! xo
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Helium balloons deflate due to diffusion of the helium. Lower temperatures would slow down this process, but probably not very significantly.
They will probably last around 8 hours. When I got helium balloons, they lasted almost that long, and that was at higher temperatures.
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