It is also machine washable ... the soapy residue with a mop dipped only in water. Allow the tile to air dry. You may clean the grout separately with a vinegar and water solution if needed.

The grout holding floor tiles together can become dirty and ... You’ll need a steam cleaning machine (which you can rent or buy) that produces high-pressure and hot steam. Use the smaller ...

"A few of the more popular and effective commercial grout cleaning options are alkaline ... and cost-effective method truly does the trick on tile grout," she says. "If you are using this solution ...