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05-06-2020, 05:40 PM
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Sage
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Join Date: May 2010
Location: Drayton Plains, MI, Vietnam, Waterford, MI, Pennacamp, Fernandina, Duval, 1 retired in Richmond
Posts: 2,696
Thanks: 17
Thanked 1,936 Times in 764 Posts
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We had similar black marks on our carpet in our PV near sliding door. Had carpet cleaned, company told us spots were coming up from concrete. Had carpet pull up, sure enough more black spots under carpet that had not come through carpet. Not sure if this helps but for us not the roller
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