a grout cleaner and brightener. People claim it takes years off old grout, lifts heavy stains, and works in minutes. I decided to try Zep on the grout of the porcelain floor tile in my bathroom.

"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 ...

In our space, the dirtiest, most discolored grout was around our range hood, so we focused our efforts there. We also tested ...

Keep grout lines clean over time—don't wait until they're too far gone. If you have stains on your ceramic tile, first try ...

Thick lines used to be common between porcelain tiles and natural stones alike ... making floors harder to clean. Smaller grout lines don’t have that problem, which means less time sealing ...