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Hard water stains

Discussion in 'Commercial Window Cleaning' started by Luke S., Jan 3, 2014.

  1. Luke S.

    Luke S. Moderator Staff Member Moderator

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    For hard water stains (white spots that can form a thick residue), which are common on outside windows, especially ones that are hit by sprinklers, I recommend Ka-boom. Apply the Ka-boom, scrub with 0000 grade steel wool, then rinse, and you'll have brand new looking windows.

    Supplies for 50+ windows is about $10, while you can charge $10-20 per window. If the window is able to be fixed this way - meaning the spots are not caked on and extremely thick - it will only take you about one to two minutes to restore each window once you get the hang of it.

    Make sure it is 0000 grade steel wool you use, ANY other grade can scratch the glass.
    Jeff Parks likes this.
  2. Jeff Parks

    Jeff Parks Administrator Staff Member Administrator

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    Do you have any pictures you can post before and after of your work?
  3. Luke S.

    Luke S. Moderator Staff Member Moderator

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    Maybe. I still gotta find the company pics file in Dropbox, there's a ton of good pics, but I gotta go through em which takes forever.
  4. Jeff Parks

    Jeff Parks Administrator Staff Member Administrator

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    Cool throw them in the gallery and start a new album!
  5. Luke S.

    Luke S. Moderator Staff Member Moderator

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    Will do.

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