Likely just regular mold or mildew from moist bathroom. You have couple chemicals you can try such as Concrobium Mold Control and Mold Armor Mold Blocker. A better solution is a dehumidifier, fan or space heater to speed the drying of bathroom after showers.
Bathroom moved into a new place and noticed this - is it black mold? what should I do? (reddit.com). Bathroom mold, mildew looks gross and thrives in 'dark, damp areas.' It can irritate allergies, asthma and breathing problems. How to clean and prevent it.
Black mold in bathroom? : r/CleaningTips
Black mold (Stachybotrys chartarum) can pose a health hazard. This guide explains how to clean black mold in the bathroom, and keep it from coming back. Learn how to get rid of black mold in your bathroom fast using natural, effective methods.
Breathe cleaner, safer air! A frustrated renter took to Reddit to share their shower situation. "Water leaking from my bathroom ceiling while my upstairs neighbor takes a shower," the original poster wrote. It's a horrifying sight.
Bathroom black mold : r/CleaningTips
Water pours from a hole in the ceiling along a wall covered in black mold. And the OP's update on the situation isn't much better. Hello everyone, I'm facing a concerning situation in my home and would greatly appreciate some advice regarding black mold.
Recently, I noticed some black patches appearing on the walls of my bathroom, and I suspect it might be black mold. Are there any recommended techniques or products specifically designed for removing black mold effectively? I moved to a new rental and I noticed some of this on the bottom tiles of the shower area of the bathroom. How do I remove it safely without is causing more health issues or damaging the wall? Learn how to remove mold from your bathroom and prevent it from growing in the future by following our step by step guide.
Is this black mold? : r/Mold
Worried about the health risks associated with black mold in your bathroom? Find out how to clean mold in your bathroom and prevent it from coming back.