How to Whiten Grout: 4 Steps for Lasting White Lines
To whiten grout, identify the stain, clean standard cement grout with hydrogen peroxide or oxygen bleach, scrub with a nylon brush, rinse away all residue, and seal the fully dry grout after 24 hours. Cleaning restores the original color when dirt or organic staining caused the discoloration; grout colorant is needed when pigment has permanently […]