should I use distilled water , tap water, soften, or ???
to make my 50/50
Feb 11, 2008 at 3:30 AM
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FLEXY5
✓Experienced Mechanic
512 POSTS
Distilled water is the prefered. However, if you do regular changes of the coolant system, tap water will do fine unless you are getting it from a well with high iron content.