How Can You Tell the Difference Between White Mold and Efflorescence?

The idea of “toxic mold” is sort of a misnomer. For the most part, people who have a bad reaction to mold have a mold allergy, and they’re having an allergic reaction to mold. However, even people without an allergic reaction to mold can have milder health concerns because of mold, which means it’s a good idea to remove it.