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Summary: Remove mildew from grout by mixing vinegar and baking soda, and using a toothbrush to scrub the grout with the mixture. Keep mildew from coming back by spraying grout regularly with bleach water, and considering advice from a professional cleaner in this free video on housekeeping.
Rachel Yatuzis is a professional house cleaner in Nashville, Tenn., who specializes in using everyday household items for cleaning purposes. In addition to her years of experience...read more
"Hi I'm Rachel Yatuzis and I'm going to show you how to remove mildew from your grout. An excellent paste to make that is really good and abrasive is vinegar and baking soda. Miss them together until you get a nice paste like this and use a toothbrush to apply it to the grout and really really scrub it. If you've got mildew this will loosen it up and when you think about it mildew is essentially a plant that is growing on your grout. You can see how much whiter that piece is. After you have killed or you've scrubbed the mildew from the grout you want to kill any remaining mildew that you may not be able to see to make sure it doesn't come back by spraying it with bleach water and I would say about once a month spray your grout with bleach water or even the what is it the Clorox Bleach Pens those little pens you can get and just draw in the grout and that will keep it from growing back. I'm Rachel Yatuzis and that's how you remove mildew from grout."
eHow Article: How to Remove Mildew From Grout