As with most viral trends, it's fun to see if they actually work in real life. Cue Zep, a grout cleaner and brightener. People claim it takes years off old grout, lifts heavy stains, and works in ...

Instead, you'll need a simple grout-cleaning toolkit (both DIY and ready-to-use solutions like Zep Grout Cleaner are expert-approved) and a solid strategy. Stained or discolored grout can appear ...