How to Use Bleach to Remove Mold

You can use bleach and water to remove any mold spores from hard surfaces after you have fixed the cause of the mold and removed the porous materials that were contaminated by the mold. Cleaning with bleach and water will help to remove any mold that was left behind on surfaces such as floors, stoves and bathtubs If you decide to use bleach to remove mold, you should follow the proper procedure so that you can safely remove the mold.

  1. Put on an N-95 respirator according to the instructions that came with the respirator.

  2. Wear safety gear such as rubber boots, safety goggles and latex gloves. Use latex gloves. If you are allergic to latex gloves, you can purchase non-latex gloves.

  3. Remove all porous materials that have been contaminated from your home. Porous materials are items such as drywall, paper, carpet and furniture. Discard any contaminated cloth materials that you cannot wash with hot water.

  4. Open windows and doors to ventilate the area.

  5. Add 1 cup bleach to 1 gallon water in a large bucket. Do not mix bleach with other cleaning products as a chemical reaction could occur and this can be extremely dangerous.

  6. Fill the other large bucket with clean water. You will need to use this water to rinse the hard surfaces after cleaning with the bleach and water solution.

  7. Clean all smooth, non-porous surfaces, like stoves, countertops, tile floors, bathtubs and showers, with the bleach and water solution and a cloth. Scrub rough surfaces such as grout with a brush, as scrubbing will help lift the mold from the rough surface. Wipe with clean water when finished.

  8. Mix the bleach and water solution in a mop bucket and mop the floors thoroughly. While mopping, you should be changing the bleach and water solution and rinsing the mop in the mop bucket often to ensure that the mold is picked up and removed from the floor. Let the bleach and water solution remain on the floor for 15 minutes.

  9. Rinse the floor. Fill a mop bucket with clean water and mop the floor to remove the bleach and water solution.

  10. Discard the scrub brush, respirator and gloves. Wash buckets, safety goggles, rubber boots, cleaning cloths and mop in hot water.


  • If you have an area larger than 10 square feet that is contaminated with mold, you should contact a professional to help you clean and dispose of the mold properly.
Continue Reading