How do I Clean Dirty Grout Between Bathroom Floor Tiles?

Updated February 21, 2017

Dirty grout is a common problem, especially when it comes to the bathroom floor. Grout is typically a lighter colour than the surrounding tile, so while the tile itself may not dull as quickly, the grout regularly becomes soiled and discoloured as residue, soap, lotions, make-up and other elements spill onto the floor. To clean the grout properly, you need to do a bit more than a simple mopping, which will work to clean the tile but not always the grout.

Fill a cleaning bucket with 1 cup oxygen bleach and 1 gallon warm water.

Start in the far corner of the bathroom, dipping either a nylon scrub brush or an old toothbrush into the bleach solution. Scrub the brush over the grout, applying pressure as needed until you remove all build-up. If the floor grout hasn't been cleaned in a while this can take a bit of time and pressure.

Rinse a cleaning rag or cleaning mop under warm water, and wring out the rag or mop. Rub this over your entire bathroom floor to lift all remaining build-up.

Things You'll Need

  • Bucket
  • Water
  • Oxygen bleach
  • Toothbrush
  • Nylon scrub brush
  • Cleaning rag or mop
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About the Author

Mel Frank is a professional freelance writer with over 15 years of writing experience. She has completed a wide variety of writing assignments for a number of publications that include CNN and various websites. Frank received a Bachelor of Fine Arts from a prestigious university in Pennsylvania.