Urgent to treat bedroom mold or DIY with vinegar?« Back to Previous Page

We've lived here for 2 years and just noticed a patch of black mold in the corner of our master bedroom closet, behind some shoes. It's been extra humid lately and I'm worried it's spreading because my husband has started waking up with a stuffy nose. How urgently do we need to get this professionally treated, or is this something we can handle ourselves with a vinegar spray this weekend?
Posted by Bhavna Thakur
Asked on May 29, 2026 10:36 pm
The combination of high humidity and condensation from AC units creates ideal conditions for mold growth in Dubai. For a patch discovered in a closet, the urgency depends on its size and the underlying cause.

If the visible area is smaller than one square meter (approx. 10 sq ft) and confined to a surface like drywall or grout, a DIY approach can be attempted. Vinegar can kill many surface molds, but it's not always effective against all species. A more reliable DIY method is to scrub the area with a diluted detergent solution, dry it completely, and then treat it with a 3% hydrogen peroxide solution. The critical step is identifying and stopping the moisture source—this is often condensation from an AC duct or a cold wall, not a leak.

However, given your husband's stuffy nose—a common reaction to mold spores—and the fact it's hidden behind items, professional assessment is strongly recommended. The visible patch is often just the tip of the iceberg; it can spread inside wall cavities. A certified inspector can use moisture meters and thermal imaging to find the full extent and the exact moisture source, which is almost impossible to diagnose yourself. They can also take an air or surface sample for lab analysis to identify the species, which determines the necessary remediation protocol. DIY methods often miss the root cause, leading to rapid regrowth. For health symptoms and hidden growth, a professional diagnosis is the most effective path to resolving it permanently.
Posted by Sani Admin
Answered on May 30, 2026 7:12 am