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- Nov 26, 2021
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We installed a walk-in shower 5 years ago and had someone tile the walls. There’s been increasing questionable areas on bottom of walls next to shower pan. Thinking it was mold, I took an old toothbrush and a Clorox gel product and scrubbed. I left it overnight and saw no difference. Since I know nothing about tiling, is this clear caulking I can scrape off, clean and replace?