> -----Original Message-----
> From: Homebrew_PCBs@yahoogroups.com
> [mailto:Homebrew_PCBs@yahoogroups.com]On Behalf Of Lez
> Sent: Saturday, January 27, 2007 11:05 AM
> To: Homebrew_PCBs@yahoogroups.com
> Subject: Re: [Homebrew_PCBs] UK'ers, anyone in uk _not_ using fecl ?
>
>
> I have used their driveway cleaner before, my neighbor came out
> complaining about the smell, I was stood in the middle of a 10ft
> diameter well wet area and could not smell a thing, I thought he was
> 'in need of medication' till the wife came out and complained too, I
> guess I just could not smell the stuff, rotten eggs I think he said,
> does that sound familiar?
>
>
>
> Lez
>
That sounds like it must have been Sulfuric Acid-based (H2SO4), and you
somehow generated Hydrogen Sulfide (H2S) - which gives off the "rotten-egg"
smell
And that is _NOT_ the acid you want....
Randy