Ph is also important. Otherwise your plastic radiator parts will look like they spent time in an ill maintained swimming pool. Probably the biggest reason for broken necks on our radiators is improper Ph of the coolant.

Art

__________________
Art Bourget

1983 300SD
1st In Class - Starfest Concours 2004
1st In Class - StarTrack Concours 2003
1983 300TDT
1985 300D

MBCA - Niagara Section