Quote:
Originally Posted by TurboPR
Warm up a towel with water and vinegar in the micro wave. Try in a conspicuous area first that should do it. I live in Texas and that is what I use to remove hard water stains. Let it soak for a minute or two and them rub gently.
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Thanks for feedback. Problem is hard water stain has been there from previous owner (i.e it was on the car at least for 5 years). I tried spraying hot water mixed with vinegar and rubbing it but I had no good result whatsoever
