Identifying it is the first step in the journey of treatment of mold inside walls.
Light mold on walls.
If you have mold growing on your walls like most people you probably cleaned it with bleach or some other mold removal product.
Light green mold on wall not only does mold look unsightly but it can eat away at your paint and damage it while releasing potentially hazardous spores into the air.
However to your surprise it came back days later.
Then adopt the following practices to keep it from returning.
Open a window and or keep a fan.
Remove mold stains from walls.
How to stop mold from growing on walls.
Sunlight is a natural mold killer.
Mold is an unwanted guest inside the walls on the ceiling etc.
The mysteriously sharp line marking the top edge of this mold growth was very important.
If your basement has windows and doors open them a few minutes each day to allow air to circulate.
To get rid of mold on walls permanently remove it using the steps above.
You can spray them on walls painted walls bathroom surfaces backpacks hammocks clothing laundry machines hiking gear like tents and pretty much everywhere where mold is a concern.
Mix a solution of one part bleach to three parts water in a spray bottle and thoroughly saturate the moldy areas of the wall.
Wooden floors ceiling beams and walls can host green mold colonies.
Some of these products are also uv protective and many have a mild fragrance that masks odors.