What's the safest way to remove bathroom mold with kids?« Back to Previous Page

My kids have been coughing a lot more lately and I’ve just noticed some black and green spots spreading in the grout between the tiles in our master bathroom. It’s been really humid the last few weeks and the window in there is tiny, so it never really dries out after their showers. What’s the fastest and safest way to get rid of this mold, especially with little ones around?
Posted by Hong Zhu
Asked on March 26, 2026 2:11 am
The mold you're describing in your bathroom grout is a common issue in Dubai due to our high humidity levels and the constant use of air conditioning, which creates significant temperature differentials and condensation. The black and green spots are likely a combination of Cladosporium and potentially Aspergillus, both of which can exacerbate respiratory issues like the coughing your children are experiencing.

For immediate, safe remediation with children present, start by ensuring excellent ventilation. Open the window and use an exhaust fan during and for at least 30 minutes after showers. For cleaning, avoid bleach as it only removes surface discoloration and does not kill the root structure. Instead, use a certified, non-toxic antimicrobial cleaner specifically designed for mold. Apply it to the grout, allow the dwell time per the product's instructions to penetrate and kill the spores, then scrub with a stiff brush. Thoroughly dry the area with a clean cloth afterwards.

However, surface cleaning is often a temporary fix. The porous nature of grout means the mycotoxins and hyphae (the root system) can penetrate deeply. If the mold reappears quickly or covers an area larger than one square foot, this indicates a deeper infestation that requires professional assessment.

In such cases, I strongly recommend a professional inspection. Our certified technicians use moisture meters and borescopes to identify the source of moisture behind the tiles and conduct air quality tests to determine spore count levels, which is crucial for safeguarding your family's health. We adhere to strict Dubai Municipality guidelines for mold remediation, ensuring the problem is solved at its source safely and effectively.

For a comprehensive inspection and guaranteed remediation, please call us at 800-MOLDS (800-66537) or email hello@saniservice.com.
Posted by Sani Admin
Answered on March 27, 2026 12:21 pm