Mildew is a form of mold, both of which are types of microscopic fungus. A fungus releases spores into the air to reproduce. These airborne spores can cause a number of health problems. While only certain types of spores cause serious health problems, all sources of mildew and fungus should be removed from the home as quickly as possible.
Remove Moisture
Without moisture, mildew and fungus cannot grow. Leaks and condensation are two sources of household moisture. One way to reduce the moisture level in your home is to vent your clothes dryer to the outside. According to the University of Wisconsin Extension Cooperative, every load of clothes dried in your dryer releases up to one gallon of water into the air. Dehumidifiers are good choices for basements and for removing moisture from the air during warm weather, while improving ventilation is usually a better choice for removing moisture from the air during cooler weather. Check your house for leaks around plumbing fixtures, including faucets and toilets.
Use Detergent
Mildew and fungus can be cleaned from a small, nonporous area using liquid dishwashing detergent and warm water. Scrub the area thoroughly, and rinse with clean water. Throw away any sponges or cleaning cloths used to clean mildew and fungus after use. If you have mildew or fungus allergies, wear a respirator and gloves during cleaning. The Environmental Protection Area defines a small area as less than 10 square feet; if you have mildew or fungus affecting an area larger than that, you will need professional assistance.
Use Bleach
Use a solution of 1 cup of chlorine bleach in 1 gallon of water to kill mildew and fungus that remains on hard surfaces after cleaning. Apply the solution, and allow it to remain for 15 minutes before rinsing or drying. The bleach solution will also remove mold and mildew stains. Do not mix bleach with any other cleansers, and avoid inhaling bleach fumes. Protect your hands with cleaning gloves while applying the bleach solution. Throw away any sponges of cleaning cloths used to apply the bleach solution to mildew or fungus after use.
References
- University of Wisconsin-Extension Cooperative: Controlling Molds & Mildew (PDF)
- U.S. Environmental Protection Agency (EPA): A Brief Guide to Mold, Moisture, and Your Home---Mold Cleanup
- University of Georgia College of Family and Consumer Sciences Cooperative Extension Service: Mildew Prevention and Removal
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