A white, chalky film creeping up your beautiful pool deck is never what you want to see as a homeowner, but it happens more than you would imagine. This mold-looking growth is called efflorescence, and while it may seem alarming, the good news is that it is not a sign of a more significant structural issue. Follow along with this guide to learn more about efflorescence, how to prevent it, and what to do if it appears on your concrete pool deck or patio.
