The white and brown spots on your windows are stains from hard water.
Hard water is water with a high mineral content, such as calcium. When hard water evaporates, it leaves calcium or sodium (salt) remains behind, causing hard water spots to appear. These stains can also develop from a number of other causes, such as oxidation from metal screens or run-off from concrete building materials.
The sooner you attack the problem ,the better!
We have a stain removal solution that can not only safely and effectively remove stains, but with proper maintenance also prevent them from coming back. Add hard water stain removal to your services today and get rid of those ugly stains for good.