Whether it was that untimely sprinkler that got you, a springtime shower, or spots that remained after washing, you are facing one of the toughest detailing problems.
A water spot is what is left when a water drop evaporates. Trace elements of salt, iron, calcium and mineral deposits remain. These deposits can be extremely difficult to remove if they remain for any length of time.
All of these products, specifically formulated to clean glass surfaces, will help you tackle the job.