Stap 5: Verzamelen uw waterstof
ballon over de bovenkant van de fles na het gieten in het water.
If you do this right your balloon will be lighter than airhowever due to the steam produced in the vigorous reaction from the foil used you will get better results usingsolid aluminum.When your balloon looks full pull it off. '''WEAR GLOVES '''then tie it off and now you have your own mini Hindenburg(Watch out though blowing up this balloon should be done at a safe distance and is really loud).