9 Bathroom Mold Types To Be Aware Of
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Chaetomium
One of the most potentially dangerous molds, chaetomium can be found on wood, drywall and wallpaper in a bathroom. It requires high moisture levels to grow, so it can often be found after episodes of water damage from flooding or plumbing leaks.
Chaetomium has a different appearance depending on its life cycle. When just beginning, it will be white, Sacenti says. As it matures and spores develop, it turns blue-green and dark brown or black. At this stage, chaetomium can be mistaken for stachybotrys or black mold. Another identifying feature: Its musty, damp-earth smell.
In the worst cases, this mold can cause serious or even fatal illness and brain infections. More typically, it bothers those with existing allergies and asthma. But it can also lead to nail and skin infections, so it should be treated with caution. If you suspect chaetomium in your bathroom, call a mold specialist.
Pets exposed to chaetomium can experience severe respiratory infections or allergic reactions.
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Frequently Asked Questions
What causes mold in the bathroom?
All mold species love warm, damp and dark areas. Bathrooms provide a perfect environment. “The bathroom is the highest humidity environment in any home, including the basement,” Sacenti says, “You add in organic materials and warmth, and it creates perfect conditions for mold.”
How do you get rid of mold in the bathroom?
If you have allergies, asthma or a compromised immune system, call a mold remediation company.
For those without these conditions, if the mold is smaller than a three-foot by three-foot area, you can tackle it yourself with the appropriate cleaning agents and methods. Be sure to use protective gloves and a dust mask. “Most molds can be cleaned and removed with soap and water and white vinegar,” Carver says.
Larger molded areas should be left to a mold remediation company.
How can you prevent mold in the bathroom?
Help prevent bathroom mold by increasing ventilation. Open a window or turn on the bathroom fan while showering. Check for plumbing leaks, and dry your shower walls after use with a towel or a squeegee.
“Turn the bathroom fan on as soon as you enter the bathroom and leave it on for a while after you’re done showering,” Sacenti says. “It’s critical to manage the humidity levels in the bathroom.”
How do I know if I have mold or mildew in my bathroom?
Unlike mold, mildew is usually white or gray with a dry, powdery texture. Where mold tends to be fuzzy and raised, mildew is flat. Mold also has a distinct heavy, musty smell and mildew has a sharp, sour smell like rotting vegetables.
How common is bathroom mold?
Extremely common.
About the Experts
Michael Sacenti owns American Healthy Homes. He has 10 years of experience in the mold remediation industry and 40 years experience in real estate maintenance.
Melanie Carver is the chief mission officer for the Asthma and Allergy Foundation of America.
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