Coca-Cola. To clean stained grout, pour Coca-Cola over the affected
area, let sit for five minutes, and wipe clean. The phosphoric acid in the
Coke cleans the grout.
Heinz White Vinegar and Oral-B Toothbrush. To clean grout, fill a
sixteen-ounce trigger-spray bottle with Heinz White Vinegar, spray the grout
with the vinegar, wait five minutes, then scrub with a clean, used Oral-B
Listerine. To clean mold and mildew in grout, fill a sixteen- ounce
trigger-spray bottle with Listerine, spray the grout with the mouthwash,
wait two minutes, and wipe clean. The anti septic kills mold and mildew.