[header] How to start a fire using just water [title] Make sure you have safety equipment before trying this method. [step] You'll need strong gloves, eye safety glasses and a non-slip surface to work on. [title] Grab an old light bulb that isn't useful for working with anymore. 
[step] Using a chisel, chisel out a small hole in the cap sleeve via the electrical connector, in such a way that you can see down into the glass bulb. [substeps] If the glass needs clearing, pour in a bit of hot water, and when you shake it, the white coating will come right out.