For unfinished surfaces skip to the steps below to remove mold from drywall. You can also use bleach hydrogen peroxide or bleach.
Otherwise a mold problem confined to accessible.
How to get rid of black mold in basement walls. Use the natural mold remover spray recipe. Take a bucket with warm water and mix a cup of bleach with it. Borax repels mold and leaving a thin layer of it on the concrete is an effective way to prevent mold from growing.
You can use detergent to get rid of the black mold on the wall. If you have a small area in the bathroom then you can get away with household items such as vinegar borax peroxide etc. Spray the area well then immediately scrub with a clean cloth or brush to remove the surface layer of mold.
Reapply the spray lightly this time. It can be caused by leaking pipes poor drainage or lack of ventilation. Then mix water with ammonia in a bucket and use a scrub brush to clean the floor.
Treat the area for a natural solution for getting rid of black mold combine one part baking soda with five parts distilled white vinegar and five parts water in a spray bottle. Raising the temperature in the basement also helps control humidity. You should also hire a mold removal specialist if the black mold has moved into your walls in order to stop the problem before it spreads further.
To kill mold on concrete basement walls or for an ideal diy mildew remover pour 3 hydrogen peroxide into a spray bottle. Alternatively you can use a chemical based mold and mildew remover all purpose cleaners bleach or dish soap. Black mold can also take over the basement floor.
Saturate the walls with the peroxide then let it sit for up to 30 minutes. To eliminate it fill a spray bottle with water and spray the floor then scrub the floor with a stick scrub brush as much as possible. First you must decide if you are going to remove the mold yourself or call a pro to do the remediation and get rid of mold in the basement.
Dust the walls with borax or add borax to the vinegar spray when you disinfect. Never use these elements without mixing them with water. Second is the product used in mold removal dictates the cost.