This could be a biological stain. I would start with a peroxide poultice--On Mon, Feb 5, 2018 at 11:53 PM, Stuart Rosen <mail@stoneshine.com> wrote:Give us some background -tell us moreSeems to me moisture is somewhere in the mixSent from my iPhoneDoes anyone know how to remove this bluish stain from marble countertop? Poultice?StuartSanta Fe Floor Care<IMG_1210 (1).jpeg>
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