The grout in my travertine shower use to be tan, but now it has turned white. What can I do?

  Question:  “The travertine tile grout on the floor of the shower use to be a tan color, not it is turning white. How can I get it back to the original color?”   Answer:  The grout isn’t actually turning white, but what’s happening is … Continue reading The grout in my travertine shower use to be tan, but now it has turned white. What can I do?