When Julie discovered a rough patch on her newly installed marble counters (presumably the result of spilled lemon juice), her husband Josh hurriedly ordered Tenax Marble Polishing Powder from Amazon and rubbed it into the surface. The marble is good as new, he tells us. You can also use sandpaper, gently, to smooth out stains and nicks. (For more care tips and tricks, see Remodeling 101: How to Care for Marble Countertops.)
