I have a problem. The marble tiles in The House where I'm living now got stained permanently, don't ask me why, it's not my fault, but I must remove them as possible before I move out this May, and I have tried muriatic acid, bleach, paint thinner, toothpaste, dishwashing liquid, but to no avail. I read that tiles are porous and they absorb liquids, so no wonder I can't remove the stain. Do you have any suggestions of what chemical I should buy to have a shot at removing ingrained and deep seated stains? I do not know what kind of stain is this so I'm guessing ink or grease:Log In Thanks!
