The other day, I was having dinner with my mother and she showed me her favorite method for cleaning her exterior windows. I was amazed at how fast and easy this was. She adds 1/4 cup of corn starch to 2 quarts of warm water. Apply to your windows using a sea sponge. Squeegy for a streak-free shine in seconds! If your windows are very dirty, simply repeat the steps. This truly is the fastest and best method that I have ever seen for cleaning windows!
