The white powdery crust on outdoor concrete has a name — efflorescence — and it forms when water carries dissolved salts to the surface and evaporates. Even well-poured, high-quality concrete can ...

Efflorescence is not a rock band. That’s Evanescence. Efflorescence is the white, chalky substance that appears on concrete, pavers, brick, and stucco. It is residue that is left behind when hard, ...

I routinely presume that people know all about efflorescence, but in fact many don’t. I’m referring to the fluffy white deposits you might find on your concrete floors, brick walls or basement walls.

It can be quite frustrating when that white, chalky substance known as efflorescence or "new building bloom" shows up on your freshly poured surface. Luckily, efflorescence can be treated and removed, ...