Sunday, August 10, 2008 - 11:47 pm, by: Joe Radisic(Joe)
Go to the supermarket and get citric acid it comes in a pepper shaker style container and looks like salt. Once you have it wet a sponge, sprinkle a fair bit of this stuff on it and keep rubbing wet into the glass until it comes up clear. It works for shower screens calcium type build up also.
Monday, August 11, 2008 - 08:09 am, by: Mike Bradberry(Halflife)
Wish I'd known about this some years ago. I owned a house which had whitish marks on the windows that I couldn't remove. I believe the marks were alkaline in origin (cement) and something acid based should do a good job of removing it.
Mike Triggs Goo Roo Western Australia 3.0GT G-Pack
Friday, August 15, 2008 - 01:02 pm, by: Mike Triggs(Mikeandimah)
Weak vinegar (acetic acid) will work too. We live in a limestone area and water marks both on glass and paintwork are a real hassle (especially on the Rexton which is a dark wine colour).
I've found that the water marks can be reduced by immediately drying the surface with a quality chamois (I now have an Austrian Enjo brand chamois, not easy to get and pretty expensive). Needless to say, it's advantageous not to have the lawn sprinkler anwhere near the car on a hot day
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