stairs1.jpgtile1.jpgSTAIN ON STEPS: I have a brand new spot that came up on the stairs tight after the bug guy was here and he put down some checmichals on the lawn. Any ideas? It is light brown. I don't see any others.
TILE QUESTION: What's the best way to clean tile? Some of my tile seems to be developing a whitish line around the tile. What is this - calcium?