How to Clean Grout. Grout, the mixture of water, sand, and cement that keeps tiles in place, can be difficult to keep clean. Grout lines easily pick up dirt and .Amy asked How do I clean mold and mildew from a sealed, natural stone shower? We have re.ed and used natural stone. The stone is sealed, but since it is natural .Edit Article wiki How to Clean Bathroom Grout. Three Parts Cleaning With Kitchen Reme.s Cleaning With Stronger Products Keeping Grout Clean Community Q A.How to Remove Grout. While you’re cleaning tile grout, take a careful look toess how the stuff is holding up. If you see a lot ofs and missing pieces, it .
Adjust the combination until you have an easily spreadable consistency. Apply the baking soda paste directly over the moldy grout, let sit for minutes, then scrub the mold away with a bristle brush. Rinse with water, and repeat as needed. Baking soda plus hydrogen peroxide..