Then i noticed it on top of the radiator.
Yellow liquid on bathroom walls.
I d say it s from condensation and the odd collection of goop is from the wall never being completely washed or painted for who knows how long.
You need a better vent or leave the door open when you shower.
It means that your walls are painted with an oil based paint and its the oil coming from the paint u need to redo the walls with a non oil base paint and a mildew resistant paint made especially for bathrooms that is why u get the yellowish brown spots its the oil in the paint coming thru.
It didn t build up it more or less pooled.
Magic eraser cleans it in a.
The second explanation is that the yellow stuff is you eww or more specifically the oils from your skin lifted off by with hot water and redeposited onto the walls after the humidity in the room dies down.
Household mold typically grows in damp areas of the home such as bathrooms and basements.
Yellow mold on walls may grow into larger fungi colony so you need to remove it when the problem is still small.
High humidity moisture problem and lack of fresh air or sunlight are factors that cause yellow mold to grow on walls.
In the bathroom i ve noticed that on certain surfaces like the part of the sink that is connected to the wall has some yellow substance in it.
I don t believe the prior owners smoked but you never know.
The condensation causes all the foreign material that is on the wall to coalesce into the water droplets.
For the sake of my sanity in shared shower situations i ve chosen to go with explanation 1.
If you ve discovered yellow mold growing in your home you re probably wondering what it is why it s there and what to do about it.
Yellow mold on walls walls often become places for mold to grow especially in the middle of the ideal situation.
Then pooled on top of the toilet paper holder.
It can also be found under leaky sinks around leaky window frames and in attics or on ceilings when roofs leak.