How to Clean Mouldy Grout
- 1). Pour 1/4 cup of bleach into a spray bottle and fill the rest with water.
- 2). Spray the grout thoroughly with the bleach solution. Make sure it's completely soaked with the cleaner. Allow it to sit for 10 minutes.
- 3). Scrub the grout with a grout brush or toothbrush. Apply more bleach solution if necessary.
- 4). Rinse the grout with clean water using a cup or shower head.
- 5). Dry the grout with a towel.