Learn what dark or black-colored mold can mean, why color alone cannot identify a species, and how professional inspection and laboratory testing can help.
No. Mold color by itself cannot reliably identify the species or determine how hazardous it is. Stachybotrys chartarum is often called “black mold,” but many other molds can also appear dark, green, gray, or black.
Any persistent indoor mold growth should be evaluated in the context of moisture, the affected materials, the size and location of the growth, and occupant concerns.
Clean Air Detective can document visible conditions, evaluate moisture, and collect air or surface samples when appropriate. Laboratory analysis can identify mold types present in collected samples; visual appearance alone is not enough to make that determination.
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