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I have caulking around the base of the shower and tub and it turned yellow. Is this normal? It was transparent to begin with.

yellow caulking

  • that is probably soap residue – jsotola Feb 26 at 5:33
  • Do you know what the composition of the caulk is? 100% silicone? Or something else? – atanamir Feb 26 at 5:44
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    Grout was probably not sealed before the silicone was put on so the grout has changed color a bit and looks yellowish under the silicone. – Micah Montoya Feb 26 at 17:09
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    Sun light? Calcium, Lime, Rust, Mold, Mildew, can also discolor caulk. Apartment...you own or rent? Rent, let management know and they can fix it. Own, scrape it all off, bleach and allow to fully dry before applying new caulk or your choice. – Jeff Cates Feb 27 at 3:08
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    Brands are off-topic, but best to get a quality tub and tile/shower. One for wet surfaces. – Jeff Cates Feb 27 at 14:30
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As mentioned by one user, the grout was most likely not sealed before the silicone was put on. The grout is brownish/grey and indeed it looks like it changed color a bit and now looks yellow underneath the transparent silicone.

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