porous materials mold removal 2
https://fixmustybasementcarpettalk.clearhavendigest.com/posts/how-to-fix-musty-basement-carpet-a-practical-guide-for-homeowners
Porous materials like drywall and wood soak up moisture, making mold removal tricky because scrubbing won't reach the deep spores. Often, the only way to completely get rid of the musty smell and health risks is to cut out and replace the affected section, or use a specialized antimicrobial treatment that soaks into the pores.