Robert - I don't think that the RO water would be a problem. The one you shouldn't use would be the deionized water as it is looking for a spare ion and will steal one from anywhere it can, like a cylinder head casting.
Barry > -----Original Message----- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Mitch Haley > Sent: Sunday, September 10, 2006 3:52 AM > To: [EMAIL PROTECTED]; Mercedes Discussion List > Subject: Re: [MBZ] Demineralised water (was Zerex G-05) incarsthat > don'tneed it > > > Robert & Tara Ludwick wrote: > > I use the RO purified water in the cooling systems. > > Didn't somebody say that RO water is more corrosive than distilled? >
