Distilled white vinegar — Vinegar is a natural antimicrobial that can kill more than 80 percent of mold types.
Tea tree oil — This essential oil boasts potent antimicrobial and antifungal properties.
Baking soda — Besides killing most types of mold, baking soda also helps prevent mold from growing back by absorbing moisture.
Hydrogen peroxide — This cleaning solution is used commonly for treating wounds but can also get rid of mold.
Borax — Borax is a powdery white mineral used commonly as a cleaning agent. Unless ingested, borax is not harmful and does not emit toxic fumes.
Mold, begone: 5 Non-toxic DIY mold cleaner recipes – Dr. Eddy Bettermann MD