identify mold under carpet 4

https://wool-wiki.win/index.php/The_Right_Way_to_Approach_Water_Damage_Carpet_Drying

Peeling back a corner of the carpet reveals a dark, musty patch underneath—often the first sign of mold. This hidden growth thrives in damp basements or after a flood, spreading unseen and causing health issues. Spotting it early requires a close look for discoloration, a strong earthy smell, or a spongy feel underfoot, so you can act fast before it damages the floor and air quality.