Hard water spots

Chris Smith
Chris Smith Expert Adviser
edited November -1 in HUDSON
The sprinklers and hot weather did a number to one side of my car. Hard water mineral deposits are on the glass and paint. This stuff is next to impossible to remove. I used white vinegar with some success but the glass is still spotted. I had to get out the Milwaukee power buffer and 3M Perfect-it III to get the paint back in shape. Does anyone have a trick to get this stuff off completely?

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  • RL Chilton
    RL Chilton Administrator, Member
    Chris Smith wrote:
    The sprinklers and hot weather did a number to one side of my car. Hard water mineral deposits are on the glass and paint. This stuff is next to impossible to remove. I used white vinegar with some success but the glass is still spotted. I had to get out the Milwaukee power buffer and 3M Perfect-it III to get the paint back in shape. Does anyone have a trick to get this stuff off completely?



    I used to run into this same problem, as we have a well and the mineral deposits are pretty severe. Solved the "washing the car" problem by installing a spigot inside in the garage and running it through the water softener system. No more spots!



    You're right, getting that stuff off is another matter entirely. I called Meguiar's and talked to them and they sent me a bottle of Spot Remover and guaranteed it would work. It did. Before that, I had tried all kinds of concoctions of stuff I had around the house, to no avail. Vinegar works pretty well on windows. Also helps to get to it quickly, as it seems the longer it sits on, the more "etched" it becomes.
  • Unknown
    Unknown
    I've removed the stuff of the glass with an SOS pad.



    Do NOT use off brand BRILLO pad (pink pads), use ONLY name brand BLUE SOS, they will work and will not scratch (just don't put so much pressure on it that you release some gas while using it) the glass.
  • [Deleted User]
    [Deleted User]
    For Glass, try Glass Scrub by Glass Science for Water Spots. You can get it any almost any good auto supply store. Use RainX after wards to protect from further water spotting. The paint, you can buff, as you know...and you can also use Clay Magic to remove water spots. Protection is the best maintenance tool, car covers and wax finish will go along way to help avoid water spots.
  • [Deleted User]
    [Deleted User]
    Try one of Meguire's, Mothers or 3M glazes or cleaner-polishes by hand with a microfiber cloth.



    Or, since you have 3M perfect it III compound run your buffer across the glass and it should remove the spots and polish right up. I would avoid the "Extra Cut", mist with water and gently buff.



    Hopefully your Milwaukee is a variable speed buffer and not a grinder... LOL : )



    Good luck...



    Craig
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