How to Remove Mildew Stains in Grout
- 1). Put on rubber gloves.
- 2). Pour 2 cups liquid chlorine bleach, 1 tablespoon liquid laundry detergent, 3 tablespoons trisodium phosphate (TSP) and 3 quarts of water into a bucket.
- 3). Fill another bucket with plain, warm water.
- 4). Dip the toothbrush into the bucket with the cleaning solution. Scrub a section of the grout.
- 5). Frequently dip a clean rag into the bucket of plain water, and wipe the cleaning solution from the tiles.
- 1). Fill a bucket with plain, warm water.
- 2). Put 1 cup of warm water into the other bucket. Mix in approximately 1/2 cup of oxygen bleach powder to the water to create a paste. Add more powder or more water as necessary to create a paste the consistency of watery mud.
- 3). Dip the toothbrush into the paste and apply it to the grout. Scrub gently.
- 4). Dip a clean rag into the bucket with plain, warm water. Rinse the paste from the grout and tiles.
- 5). Repeat Steps 3 and 4 as needed.