in water, whereas mold will not.
3. Key Signs It’s Efflorescence (And Not Dangerous Mold)
One of the primary indicators that you’re dealing with efflorescence is its location and the environmental conditions. Efflorescence typically occurs on concrete, brick, or masonry surfaces in areas with high moisture. It is generally white or light-colored, and when touched, it leaves a powdery residue on your fingers.
Another sign is the absence of a musty smell, which is often associated with mold. Efflorescence will also dissolve if you spray it lightly with water, while
