To much of my dismay the EXIT BAG failed … sighhh i had the perfect set-up too. a large cylinder of  Balloon Time Helium 3 feet of tubing im reading many failed attempts on here also. i think ill try it again tomorrow but tonight i think ill just sleep. Any other failed attempts around here?
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Most helium tanks nowadays have oxygen mixed in them as well 🙁 It’s very difficult to get industrial grade pure helium anymore. Have you tried ********?