Safest way to remove black mold without harsh chemicals?« Back to Previous Page

My kids have been coughing more than usual, and I've just discovered a patch of black mold growing behind the toilet in our main bathroom. We're in an older building in Bur Dubai, and even with the exhaust fan, the humidity just never seems to go away, especially after all our showers. What's the safest and most effective way to get rid of this myself without using harsh chemicals that could affect my family?
Posted by Hung Sasaki
Asked on March 18, 2026 8:55 am
Discovering black mold behind the toilet is a common yet serious issue in Dubai, primarily due to our extreme humidity and year-round AC use, which creates persistent condensation zones. For a small patch (less than 1 square meter), a safe, non-chemical removal is possible, but caution is paramount.

First, ensure personal protection. Wear an N95 mask, gloves, and eye protection to prevent spore inhalation and contact. Increase ventilation by opening a window and running the exhaust fan for at least an hour before you begin.

Create a natural cleaning solution. A mixture of distilled white vinegar is highly effective; its acidity kills most common mold species. Alternatively, a paste of baking soda and water can be used for scrubbing. Do not mix chemicals. Apply your chosen solution generously to the affected area, let it sit for an hour to penetrate, then scrub vigorously with a stiff-bristled brush. Wipe the area clean with disposable cloths and seal them in a plastic bag for disposal.

Crucially, address the moisture source. Your exhaust fan may be undersized or obstructed. Wipe down wet surfaces after every shower and consider using a portable dehumidifier. For buildings in older areas like Bur Dubai, persistent humidity often indicates deeper ventilation issues.

However, given that your children are exhibiting respiratory symptoms like coughing, this suggests a potential airborne spore count that warrants professional assessment. DIY cleaning can inadvertently aerosolize spores, worsening the problem. In the UAE, professional mold remediation, like the services we provide at Saniservice, follows strict guidelines to contain the area, use HEPA filtration, and ensure complete removal, which is vital for health safety.

For a thorough inspection and a guaranteed safe solution, I strongly recommend calling our experts at 800-MOLDS (800-66537) or emailing hello@saniservice.com.
Posted by Sani Admin
Answered on March 20, 2026 4:04 am