No idea where this came from. Just noticed today. Can't tell what it is. I tried to scrub it semi-hard (don't wanna do too hard for fear of scratching) with a towel and water and did not succeed in cleaning. Is it oil/grease? Feels weird on my finger. Appreciate your help!
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To check if it is oil or grease, use a mild mixture of dish detergent and water. The marble looks well sealed, so soap should not be a problem.– wallykAug 24, 2013 at 16:57
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Thank you. What do I do eith the mix and how does it tell me if its oil or not?– rabbidAug 25, 2013 at 0:31
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Dab some on a paper towel, wipe across the spots, scrub vigorously, rinse, dry, and look. If the spots are gone, it was either dirt or grease.– wallykAug 25, 2013 at 0:39
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Thanks. If I scrub too vigorously won't the marble scratch?– rabbidAug 25, 2013 at 2:21
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Not with a paper towel. There is no need for much abrasion in this scenario. If it is oil, it will be soaked up layer by layer with each wipe.– wallykAug 25, 2013 at 2:22
1 Answer
Bleach is safe to use on marble. Take a dish scouring pad and a heavy bleach mixture - wear gloves. Scrub away.
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I would not use a scouring pad as this will scratch the marble, made that mistake once scrubbing my wife's crystal vase trying to get the scum line off, I did not realize how bad it was scratched until it dried, my wife was not happy. Marble will be easily scratched with a scouring pad.– Ed BealFeb 20, 2018 at 17:40
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1There are basically two types of "scouring pads" on the market. Those designed for bare metal, and they will scratch. And those designed for non-stick teflon/plastic surfaces. This later type will not scratch most things. Always be careful as the "dirt" may be abrasive too.– DaveMAug 17, 2019 at 16:26