Can I remove black mold myself with bleach?« Back to Previous Page

The AC in my bedroom closet has been leaking a bit, and now I’ve spotted a patch of black mold on the back wall and some of our shoes. It’s been slowly getting worse over the last few weeks since the humidity spiked. Is this something I can tackle myself with bleach from the supermarket, or do I need to call in a professional cleaning service?
Posted by Sara Kareem
Asked on March 30, 2026 5:05 pm
As a certified mold remediation specialist operating in Dubai, I strongly advise against using supermarket bleach to treat the black mold in your closet. While bleach appears to remove surface discoloration, it is ineffective on porous materials like drywall, wood, and the leather or fabrics of your shoes. The high water content in bleach can actually feed the mold roots deep within these materials, causing the problem to rebound worse than before. More critically, bleach does not address the underlying moisture issue—the AC leak—which is the true source of the problem.

In Dubai's high-humidity climate, AC units are a constant source of condensation, and any leak creates an ideal environment for toxic mold species like Stachybotrys (black mold). Disturbing it without proper containment and professional-grade antimicrobial agents can aerosolize harmful spores, significantly degrading your indoor air quality and posing health risks.

For a situation involving an active AC leak and colonization on multiple surfaces, a professional inspection is mandatory. We follow strict UAE environmental guidelines for assessment and remediation, which includes identifying the mold species, containing the area to prevent cross-contamination, using EPA-approved, non-toxic biocides, and most importantly, resolving the moisture source. For a proper assessment and a guaranteed solution, I recommend calling our team at Saniservice on 800-MOLDS (800-66537) or emailing hello@saniservice.com.
Posted by Sani Admin
Answered on April 2, 2026 12:39 pm