It's not the same - although it will help the bedliner to adhere. In the
old days when the Alaska Highway was a gravel/rock road - people would
stcik a piece of conveyor belt around the tank to protect from rocks
flying up. that really worked.

John

On 6/20/2013 3:30 PM, ralph meyermann wrote:
> I was going to wipe it down with denatured alcohol to clean/prep tank
> before applying the bedliner.
>
> Velma 82 na diesel westy
>
> On Jun 20, 2013 2:31 PM, "JRodgers" <jrodgers113@gmail.com
> <mailto:jrodgers113@gmail.com>> wrote:
>
>     If a protective coating is to be applied - I would think you would want
>     to treat the metal with some chemical treatment to render the surface
>     rust resistant. this is not a paint of any sort - but something that
>     reacts with the metal itself. Navel Jelly(phosphoric acid) is one that
>     comes to mind. But it works best where rust is present by converting the
>     rust into something inert. Some of the POR products might be better.
>     After the treatment - then coat with some protective coating - not so
>     much to prevent rust - as to protect from physical damage from
>     rocks, etc.
>
>     John
>
>     On 6/20/2013 1:53 PM, Dave Mcneely wrote:
>
>         I guess I don't know the best answer to that.  However, when I
>         put in a new tank, I used spray on undercoating on the entire
>         exterior before mounting it.  I just thought it made sense.  Was
>         I wrong?  To me, bare steel rusts, and coated steel is less
>         likely to do so.  But what do I know?  mcneely
>
>         ---- ralph meyermann <ralphmeyermann@GMAIL.COM
>         <mailto:ralphmeyermann@GMAIL.COM>> wrote:
>
>             Hi all me again! Ive got a question about my new fuel tank.
>             My fuel tank is
>             bare steel would it be wise to coat the exterior with some
>             form of paint/
>             bedliner stuff to prevent external rust or would that cause
>             more rust?
>             Thanks again!!
>             Velma 82 na diesel westy
>
>
>         --
>         David McNeely
>         .
>