To the best of my knowledge, ozone is an excellent alternative to
burning sulfur - but is not a treatment for a tainted barrel.

On 2008-01-02 09:46:03 -0800, pp > said:
>
> Haven't tried this myself but several people I know swear by ozone
> treatment of the barrel - if you can get an access to an ozone
> machine.
>
> Pp