You re not imagining things.
Water streaks on bathroom walls.
Use one of the sponges to wipe the walls with the solution.
If you re not sure of the cause of a damp patch on a wall try the foil test.
Dry the wall surface with a fan heater then tape some kitchen foil tightly over the affected.
Those drip mark lines on your bathroom walls do exist.
It also happens most in bathrooms where poor ventilation means it takes ages for the room to dry.
Typically these streaks have a slight yellowish tint which is released from the paint ingredients.
Before you begin spot test the mixture on a hidden area.
After cleaning use the second sponge to rinse the walls with clean water.
Surfactant leaching frequently shows up in bathrooms and other humid environments on ceilings or walls.
I ve seen this before in some bathrooms and always just cleaned the walls down well and painted 2 coats of eggshell or matte finish on it.
Wipe the wall then dry it to test for colorfastness.
The streaks are not all that bad but it is annoying for me who loves keeping my walls fresh and clean.
Spot ventilation is the use of exhaust fans in particularly humid areas of the home such as the kitchen and bathroom.
To detect a water leak in your wall watch for standing puddles of water near your walls or near major appliances that use water like your washing machine.
Even with well ventilated bathrooms streaks in water based paint is still very common.
If your home has a moisture problem resulting in water streaks on interior walls the best way to fix the problem is to increase ventilation.
Drip marks on your bathroom walls occur due to condensation of hot shower or bath forms that started to streak down turning into lines on the walls right after the water evaporates.
Hey guys i have a customer that told me over the phone that his bathroom walls that he is hiring me to repaint have what looks like water streaks or water drip marks on them.
These lines result after the water evaporates.
Additionally check to see if your walls have any discolored spots or bubbles which may mean there s been water damage.
You will also find mineral deposits remaining on the bathroom walls where it will built up over time if you do not do regular or proper cleaning and maintenance.
You ve probably noticed that condensation is worst on outside walls and around the metal frames of single glazed windows.
While unattractive surfactant leaching does not harm the coating and the discoloration from surfactant leaching is not the same as water stains or spots and should not be treated as such.
When condensation from a hot shower or bath forms on the walls and begins streaking or dripping down the wall drip marks occur.