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How to remove mildew from interior walls

Updated February 21, 2017

Mildew on interior walls is quite common in humid rooms or climates. The greenish-brown fungus may appear in the corner of your wall near the ceiling in a small bathroom or in rooms that get a lot of sun. Mildew is not healthy to breathe and tends to make a room smell musty. In addition, it is unsightly. Luckily, removing mildew is easy with a little bit of scrubbing.

Prepare the room or area. Open any windows and turn on any fans. Mildew is strong smelling, and so is the solution you will make to clean it with. Proper ventilation is vital to protect your health.

Fill a large bucket about half full of warm water. Add 60 ml (2 fl oz) bleach and a small capful of washing powder. Mix well.

Protect your body. Put on rubber gloves, wear long sleeves and consider wearing goggles to protect your eyes, especially if you are going to be removing mildew from the ceiling.

Dip a scrub brush in the solution, and gently scrub at the mildew until it is gone. Do not scrub too hard, or you might remove paint.

Take a clean rag, dip it in clean water and rinse the area. Let air dry or dry it with another clean, dry rag.

Tip

Put the cleaning solution in a spray bottle for hard-to-reach areas.

Things You'll Need

  • Bucket
  • Warm water
  • Scrub brush with soft bristles
  • Rag
  • Bleach
  • Detergent
  • Rubber gloves
  • Goggles
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