Tim, a while back you spoke of a citric acid treatment/flush which is
suggested/used by Mercedes. Do you know the ratio of citric acid to
water, and, further, would you elaborate on the procedure, please?

-Dana-

-snip-

> steel at a much lower rate, and provides the atoms to build the crystals of
> scale that act like ice at the seams, fittings and flanges, wedging their
> way to freedom from the system.
>
-snip-

> Doktor Tim
> Maintenance Repair and Restoration of European Vehicles
> San Juan Island, WA