https://www.youtube.com/watch?v=-Ro4DrewXHE


Maj.

Hmmmm . . .  the main ingredient is sulphuric acid? Methinks they meant hydrogen sulphide.

I think most of is actually hydrogen itself and methane - hence why farts light so readily. Apparently also Mercaptan (the smelly stuff they put in domestic gas) is what produces much of the stink. Not wild about being a methane producer, but it's a shame the hydrogen can't be captured though.