I just bought a house that has beautiful tile in the shower, but the grout is looking dingy and gross. The tiles look like marble to me, but I didn't install them so I am not 100% positive. What is the best way to clean the grout without damaging the marble? I am not opposed to getting in there with a toothbrush! The first photo is how the tile looks when it's clean, outside of the shower, and the second is how it looks inside the shower. Thanks for the advice!!
Sent by Sara
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