Hazing inevitably occurs on ceramic tile after grout has been applied and floated into the joints. Hazing is a noticeable dullness seen as soon as five or 10 minutes after applying grout and, if left to dry, can be a real chore to get off, sometimes defying even the most ardent methods.
Impossible to avoid because of the action of the floating tool used to smooth grout into the small channels between the tiles, hazing does not occur through some fault of the installer. Here are some helpful words of advice on anti-hazing methods for grout to help you enjoy that beautiful tile you’ve worked so hard to install.
Know Your Tile