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Old 05-13-2004, 09:12 AM
Kestas Kestas is offline
I told you so!
 
Join Date: Jun 2002
Location: Motor City, MI
Posts: 2,855
Quote:
Originally posted by langpfeife
Any comments on tap water (or filtered tap water) vs. distilled? I've always used distilled, with the thought
that mineral deposits from tap water are a negative.
MB specifies 'demineralised' water for the mix. Consensus from the posts I've read seems to favor distilled water over tap water to meet this requirement for coolant mix.

An automotive engineering journal I subscribe to specifically mentioned calcium as a mild poison to cooling systems. Most tap water contains small levels of calcium.
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