"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 ...
The grout lining on tiles is often overlooked during bathroom clean-ups, yet it's a prime spot ... Andrew shared: "Hydrogen peroxide is also a good way to kill mould. You can apply it directly ...
I'll start by saying that cleaning ... the grout lines, no brush needed at that point. Zep recommends application to grout lines only, so I tried my best not to get it on the rest of the tile.