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Greg Nichols · 04-26-09, 02:41

Hard water is Alkaline (base) so you need to use Acids to neutralize them. If etching has occurred polishing is the next course. I remember that Lake county makes a glass polishing kit, with Cerium Oxide as the media, that should help as a last resort.

Cheers,
GREG

04-26-09, 02:41	#6 (permalink)
Greg Nichols Zamboni for Paint Greg Nichols is offline Join Date: May 2006 Location: Logan Utah Posts: 1,136	Re: Hard water spot removal Hard water is Alkaline (base) so you need to use Acids to neutralize them. If etching has occurred polishing is the next course. I remember that Lake county makes a glass polishing kit, with Cerium Oxide as the media, that should help as a last resort. Cheers, GREG __________________ Reflections Detailing of Utah "Detailing for the discerning owner"