Fish Window Cleaning Blog

Removing Water Spots on Windows: How to Fix & Prevent Spotting
Posted on Friday, July 31st 2020

Water, water, everywhere, but not every drop is the same. In many areas of the country, hard water is the norm. This is simply water that has a high mineral content — mainly magnesium and calcium. This type of water is filtered and treated to make it drinkable and potable, but the softening process doesn’t remove all traces of the minerals. When hard water evaporates on a surface such as a window, it leaves behind the minerals which dry and harden. The spots are not very noticeable at first, but after a while, the deposits build up to create a thick whitish glaze. In the early stages, these deposits are easy to get off but after a while, the sun will bake these spots onto the glass, making them hard to remove.

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