Why has my tile grout turned white and how do I stop it? Why has my tile grout turned white and how do I stop it?

Why has my tile grout turned white and how do I stop it?

The most likely cause of a tile grout turning white is efflorescence, which is a naturally occurring and well-documented issue affecting many cement-based products. For information on how to minimise or remove efflorescence, please refer to our How do I stop efflorescence? FAQ.

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