2 results for your search "Problems & solutions - Bathroom, Black Mold"
Problems of white stain, salt stain, limewater stain, and rusty stain on tiles and grouted joints are normally found on external areas where being covered with granite, marble, or natural stone.
In chemistry, efflorescence (which means "to flower out" in French) is the migration of a salt to the surface of a porous material, where it forms a coating. The essential process involves theā¦