Hi, I have a tumbled marble for shower floor.... 1 year old....why is it that there are some parts that look black, dirty like? while the other is not?? it was supposedly sealed 1 year ago.... how to you remove that black film?
Hi, I have a tumbled marble for shower floor.... 1 year old....why is it that there are some parts that look black, dirty like? while the other is not?? it was supposedly sealed 1 year ago.... how to you remove that black film?
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