Hello Mike: I dried the shower with a fan for one week and applied my Grout Shield, let it dry for 48 hours with a fan. I have a brand new shower. I towel dry the shower, like you said to do for the floor when you clean it – Perfect. I have $17.5K worth of tile in my house, we have a cattle ranch in the desert of California- you saved it – it looks like the day we built it. I have almost completely done all the floors and will order more Grout Shield for touch ups. I use a Hoover Floor mate, a home floor scrubber with soft rotating brushes. Grout Shield held up just fine. I use this machine as it scrubs and sucks up the dirty water so no more mops and dirty grout lines. My husband is amazed at your product, finally a product that really works, your company support is superior and I have recommended it to everyone I know with a tile floor.
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