Create a cleaning solution that s one part bleach to four parts water and apply it to the concrete.
Black mold on concrete basement walls.
The darkness and humidity in the basement provide ideal conditions for mold and it usually doesn t take a microscope to tell you have a problem.
Black mold on concrete in basement.
Efflorescence can look very similar to white mold growth.
Your eyes and nose are suitable tools.
But even an inorganic material like concrete can become mildewed when spores begin to grow on dust dirt or old.
Almost no ventilation plenty of moisture and a vast amount of organic material to feed on make the process of keeping the area clean difficult.
Identifying mold growth on concrete can be a bit tricky.
You ll notice mold in your basement by its appearance usually black white or bluish patches on the walls.
Basements are the preferred spots for black mold to grow.
Mold on basement walls.
If the wall is made of concrete and has black patches it means there s organic material nearby that keeps feeding it.
For black mold on concrete in a basement start by ventilating the area well.
Because you ll be using bleach indoors open a window and escape the fumes when possible.
Remove these affected items from the wall and dispose of what you can.
But if it s white mold growth things can get confusing.
If it s black mold growth it is easy to identify.
It can also grow on any organic material adjacent to the mold covered areas such as carpeting cardboard boxes etc.
To kill mold on concrete basement walls or for an ideal diy mildew remover pour 3 hydrogen peroxide into a spray bottle saturate the walls with the peroxide then let it sit for up to 30 minutes.