Teebaumöl
Dilute one tablespoon of tea tree essential oil in half a liter of water. Pour into a spray bottle and spray on 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.

Natriumpercarbonat
Add 3 tablespoons of sodium percarbonate to half a liter of warm water and mix well until it dissolves perfectly.

Pour the solution into a bottle with a spray diffuser and spray it on the mold-infested areas. Rinse after 5 minutes and then wipe with a clean cloth.

Remember to wear gloves and a mask when working on mold stains. Choose the method that suits you best and try to remove mildew stains forever .