What this video covers
The clip condenses prevention into a short list that covers most cases.
Keep relative humidity under 50 percent, and fix any leak within 24 hours. Those two alone address the moisture supply that every mold problem depends on.
The takeaway
Prevention is unglamorous and cheap compared with remediation. Humidity control and fast leak response are the two habits that make the rest of the list mostly unnecessary.
Read the full written guide: Mold Prevention Checklist.