The simplest and most effective way to instantly clean dirty grout. Make this mixture and say bye bye to ugly grout.
Ugly grout? Mix 7 cups water, 1/2 cup baking soda, 1/3 cup lemon juice, and 1/4 cup vinegar. Spray the concoction onto the dirty grout, let it sit, and scrub with a brush. Sparkling grout awaits.