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Naturally Remove Mold from Window Sills

February 08, 2019

Sometimes, windows don’t get the attention they need, especially in the winter. Windows can “sweat’ in the wintertime and the combination of condensation and warm temperatures in a room are the perfect conditions for growing mold and mildew.  Let’s look at some techniques you can use to clean your windows, sills and remove mold and mildew.


Control the humidity in your house   Start by purchasing a hygrometer so you can measure exactly what the humidity levels are in your home. The optimum humidity level in a home should be between 40% and 50%.  In the winter months, you want to keep the levels closer to 40% to prevent condensation on the windows.


Purchase a dehumidifier with an automatic pump   Spend a few extra dollars and buy a dehumidifier with a water pump. These dehumidifiers work day and night, extracting moisture from the air. You can put the drain tube for the dehumidifier into your washing machines drain hose so you never have to worry about emptying the container. These humidifiers come with a hygrometer built in so you can set the levels of humidity for your home and it will work to keep the humidity levels exactly where you want them.


Wipe away condensation   If you find that your windows still have condensation, lower the humidity level of your dehumidifier then wipe the windows with a dry microfiber cloth. Make sure to wipe off the moisture on the glass as well as the window frames and sills.

Make your own all-natural mold remover   You can make your own all-natural mold remover by using a spray bottle filled with rubbing alcohol and 10-15 drops of Tea Tree oil. The alcohol will be the carrier and will carry the Tea Tree oil onto the moldy area. The alcohol will then evaporate quickly to prevent more moisture in the area.  The Tea Tree oil will work to kill the mold and mold spores so that the area will be free of mold.  Once the area is treated and left to dry for a day, wipe with a damp microfiber cloth and then spray again with the Tea Tree mixture. This will prevent mold and mildew from growing in the area.


Keep the window sills clean   Cleaning and maintaining window sills on a biweekly schedule will help you be aware if mold or mildew is accumulating on the sills. Just treat with your all-natural mold spray to keep mold and mildew away.

For more information from DIY green cleaning expert Leslie Reichert, visit

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