It may not have been mold.
Mold spots on ceiling.
These spots indicate the growth of mold spores and must be removed.
Mix a solution of one part bleach to three parts water in a spray bottle and thoroughly saturate the moldy areas of the wall.
These spots can range in size from small specks to large clusters.
And it s not just about mold.
Step 2 make the mold remover.
Ceiling mold growth is typically black.
Mold is often dark but it can come in other colors.
Cleaning mold from the shower or bath can be done with the same methods used on the ceiling.
Open a window and or keep a fan.
We had a wasp problem a while back and the exterminator asked if there were any brown spots on the walls or ceiling explaining that this is a sign of infestation.
Brownish spots on the ceiling can be fluids gross i know from the bugs.
To prevent mold from growing in the shower or bath again keep the bathroom ventilated and control moisture as much as possible.
After cleaning consider repainting the ceiling with anti mold paint to prevent recurring issues.
Your best option for a base coat to cover water stains on the ceiling is an oil based mold resistant stain blocking primer in a shade closely matching that of the existing ceiling.
Remove mold stains from walls.
Clean the area with a household bathroom cleaner first then use either a bleach solution or vinegar to kill the mold.
Ceilings constructed with any porous material cannot be cleaned and must be replaced but smooth ceiling surfaces can be cleaned inexpensively and with relative ease.
The spots also may be mold.
This has got to be the most disgusting type of ceiling stain if you ask me.
Mold is pretty easy to spot on your ceiling and there are a few causes of mold growth on your ceiling.
How to identify an up close photo of mold on a ceiling.
The soot attaches to cold spots on the ceiling.
They can be found in one large water damaged area or they could be spread out over the entire ceiling.
I suggest you call an exterminator.
I think everybody knows what mold looks like.
Put on your rubber gloves.
Cigarette smoke can cause staining via the same principle as ghosting.
In this case it was due to areas of missing insulation in the attic.
Typically your only recourse is to repaint.
When you have high humidity levels in a home bedbugs and dust mites.
Technically it s not a stain but rather a growth.