This method uses 3% hydrogen peroxide, the standard strength of the antiseptic when you buy it in pharmacies. If you don’t have hydrogen peroxide, you can also use a natural fungicide such as Neem Oil, adding 1 tablespoon per a half gallon of water.
This method involves temporarily removing the plant from its pot. You should avoid deep cleaning your pot unless necessary because transplanting plants can stress the plant’s root system.
Vinegar is an acidic liquid that contains antifungal and antibacterial properties. Although not completely effective at killing mold spores, it will kill over 80% of known molds.