How do you fix a discolored laminate countertop?
Paste Rub the bleach mark with a cloth and rubbing alcohol to clean it. Sand the bleach mark using 100-grit sandpaper. Dip the tip of a putty knife into a can of laminate repair paste. Smear the repair paste over the sanded area to cover it completely. Buff the area gently using fine-grit steel wool.