Continue to clean your brush off in warm water as you work through the moldy area.
How to treat mildew on popcorn ceiling.
You will have to remove the affected portion of ceiling and replace it.
Other than aesthetic purposes mildew removal is necessary to prevent the spores from spreading and further contaminating the bathroom.
Also depending upon how much mold or mildew it is that you have.
Examine the material used to construct the ceiling.
They were a quick cheap way to finish ceilings in tract homes and apartment buildings.
Zinzer makes several types.
The mold will simply come back quickly later.
Mildew is a fungus that contains a musty odor and appears as multicolored spots on ceilings.
Many homeowners got rid of their popcorn ceilings in the half century since they were all the.
To prevent mold regrowth coat your ceiling with a stain killing primer then paint over it with a mildew resistant.
Scrub the mold away with warm water and a scrub brush.
Using a scrub brush will make it easier to break up the mold as well as keeping your skin further removed from the vinegar while you are cleaning.
If any kind of porous material popcorn wood drywall etc has been used on your ceiling then you will not be able to clean it properly.
If its just a darkening of the ceiling and its really only a sand texture you can clean the surface using a bleach and water solution to remove any loose mold growth let dry then paint using a good quality mold resistant primer.
Popcorn ceilings were inescapable from the 1950s to the early 1980s.
Humid air and poor ventilation contribute to mildew growth on bathroom ceilings.