Though it looks like white mold, it’s not inherently dangerous ... These mineral salts are found in granular materials like concrete, brick or stucco. Though excellent building materials ...

If you've noticed a white, powdery substance on a surface in your home, you may accidentally mistake it for mold at first ... Efflorescence commonly grows on concrete, stone, brick, stucco ...

This problem might look like mold, but it’s probably ... a growing patch of fuzzy white minerals, efflorescence often causes paint to peel repeatedly from the concrete. Solving the ...