Wow, I didn't want to hear that. I've read in many posts that distilled is the way to go for a good PH. The water in L.A. is very hard. Also the Mercedes manual mentions to use it if your water is too hard. I will look that one up again, tonight. I also thought I saw simular wording in the Stu Ritter manual. Thanks for bringing that up. Never a problem to double check on maintenance work.

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Rich

1990 300CE
71 Chevelle SS 454