What this video covers
The clip describes a basement setup where conditions never favour growth.
A dehumidifier held at around 45 percent, and a sump pump tested quarterly rather than assumed to work. The quarterly test matters because a failed pump is discovered during the storm that needed it.
The takeaway
Basement prevention is a standing setup, not a reaction. Humidity control plus a pump you have actually tested covers most of what goes wrong down there.
Read the full written guide: Dehumidifier Settings for Mold Prevention.