How to whiten tile grout without using expensive detergents

Cleaned with toothpaste, baking soda, vinegar, hydrogen peroxide or acetone, your tile grout will look like new! See below economical and practical techniques to restore their brightness!


Use toothpaste for white joints only! Apply toothpaste on joints, let it act an hour (or longer on stubborn stains) and rinse with cold water. Dry with a clean cloth. Toothpaste contains detergent, abrasive and antimicrobial agents that prevent impurities and bacteria deposit that can yellow the white tile grout.

White vinegar

Wide open your window, fill half a bowl with white vinegar and add a tablespoon of dishwashing detergent. Rub the tile grout using a toothbrush. Let it dry and don’t rinse! Vinegar is an acid product, which has antifungal effects. You can replace the dishwashing detergent with 30 drops of lemon essential oil. You can pour the obtained mixture in a vaporizer bottle to spray directly on the joints.

Lemon juice

There are two possible techniques based on lemon juice:

Mix the lemon juice with coarse salt until you obtain a paste. Rub the mixture into the joints using a cloth or a toothbrush. Leave on 10 minutes, then rinse. This mixture is good for removing rust.

Boil 250 ml of water, cut a lemon in half and put the two halves in water. Infuse it for a few minutes then rub the tile grout with the resulting liquid. Please note: the product must be hot when you rub!


Put your gloves and goggles on and wide open the window. In a container, prepare a mixture of 50% chlorine and about 50% water. Transfer the mixture into a spray bottle. Spray the tile grout and leave it a few minutes or overnight for a deep cleaning effect. Wet your toothbrush in water and rub the joints, then rinse thoroughly.


Steam cleaning is the most eco-friendly technique and it is possible if you have a special machine that will heat the water will disperse it in vapors. Steam is highly effective against grease stains, but will not help if the tile grout is covered with mold black spots. On the contrary, humidity and heat will favor mold growth.

Baking soda

Mix one tablespoon of white vinegar with baking soda until you create thick paste. Rub the mixture into the joints using a toothbrush. Leave on 10 minutes, then rinse thoroughly. Baking soda is especially recommended for removing cooking oil stains or pet’s urine.


Before applying acetone wide open the window because it is a toxic substance with strong odor.
Put your gloves on, pour the acetone on a piece of cloth and rub the tile grout. Dampen the cloth frequently: remember that acetone is very volatile! Avoid fire, because acetone is highly flammable.

How to whiten tile grout

After you clean the joints, and if they are white, whiten them better! To do this, put your gloves on, soak a piece of cotton wool in hydrogen peroxide and clean the tile grout. Your patience and thoroughness will be fully rewarded, because the tile grout will become white as snow!

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