Helium Sucide Bag

[Juanro]

I read a couple of years ago that helium tanks were being mixed with oxygen in order to make them unusable for suicide bags.

Anyone else has heard of this?

 

[ArtVandelay]

Yes, for this reason it is now recommended to use nitrogen instead. I know that all of the Balloon Time kits in the US are now 20% oxygen, but if you get the helium from an industrial gas supplier it is supposed to be 99% pure. I would still use nitrogen just to be safe.