Anyone use Evans NPG+ coolant? The stuff is expensive, but it is a waterless coolant that is compatible to everything imaginable from iron to aluminum to brass and electrolysis is not a problem, because water is needed to have this happen and it is not present. The web link that describes the electrolysis portion is here:
Evans NPG+ Electrolysis Link
Expensive, but it is long lasting, proven, and not snake oil.
Mark
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