White vinegar
Pour 250 ml of white vinegar into a spray bottle. Spray directly on the mold stains and wait about 5 minutes.

Then rub with a clean cloth. If the stain does not come out, try applying several times.

Tea Tree Oil
Dilute a tablespoon of tea tree essential oil in half a liter of water. Pour into a spray bottle and spray on the stains. After about 5 minutes, scrub the stains with a toothbrush until they disappear.

Finally, clean the wall with a microfiber or cotton cloth and let it dry.

Sodium percarbonate
Pour 3 tablespoons of sodium percarbonate into half a liter of warm water and mix well until it dissolves completely.

Pour the solution into a spray bottle and spray on the affected areas of mold. Rinse after 5 minutes and finally wipe with a clean cloth.

Remember to wear gloves and masks when you have to work on mold stains. Choose the method that works best for you and try to get rid of mold stains forever.