Whether it's dust, grease, or rust, 20 minutes after applying lemon juice to the grout, your floor will have regained its ...

Porous grout lines are magnets for dirt, grime and stains, so if you want every corner of your house to shine, you'll need to ...

Then scrub with the brush, making sure to get the bristles into the grout itself. Rinse thoroughly and let the area dry.