[Vwdiesel] Nasty dirty fuel tank

[Jim]

Probably oxalic acid wash followed by a sodium bicarbonate neutralizer.
 Same stuff as used in "heavy duty" radiator flushes.

Jim

LBaird119 at aol.com wrote:

> Local pressure cleaning establishment has some "secret" concoction that
>he uses.  Two powders and I don't remember if it's a liquid or just water.
>It does good enough to be safe to weld on said tank for about 8 hours.
>Dad had him do his Mercedes tank.  No slime since.
>     Loren
>
>