Grout is porous and soaks up dirt and grime like a sponge, so it doesn’t take long for grout lines to discolor, especially if the sealant has worn off. Grout’s porous nature also means that caustic cleaning solutions like toilet bowl cleaners and vinegar may corrode the grout, damaging your surface.
Whether you’re cleaning grout lines in a shower or across an entire tile kitchen floor, you can restore those grout lines to a nearly new appearance by using a small scrub brush or toothbrush, bleach and, of course, a little bit of elbow grease.
Cleaning Grout Lines tips by GoHelpMate Experts
To clean small areas like showers or kitchen backsplashes use a bleach solution. Oxygen bleach is recommended, but if the grout lines are really grimy, you may use chlorine bleach. Dilute with water – 1 part bleach to 3 or 4 parts water should create an effective solution, but you may need a stronger mixture for really stubborn stains.
FOR NORMAL TUB GROUT CLEANING
Mix the bleach and water in a clean spray bottle. Spray the solution on the grout lines and let sit for about 20 minutes before scrubbing with a toothbrush or other small scrub brush. If you need a little more power, sprinkle a small amount of baking soda on the grout lines before scrubbing. Be sure to rinse well with clear water afterward.
FOR MORE INTENSE TUB GROUT CLEANING:
Another option, for more seriously dingy grout, is to mix about ½ to 1 cup baking soda, 1 to 2 teaspoons of liquid dish detergent and a splash of hydrogen peroxide in a small bowl to form a paste. Wet the surface to be cleaned with clear water. Use a toothbrush to apply the paste to the grout lines, scrubbing gently as you go. Let the mixture sit for about 5 to 10 minutes, then rinse thoroughly with clear water and wipe with a cloth or sponge.
Cleaning Grout Lines in Floors
Oxygen bleach is a good choice for floors, but you can also use chlorine bleach. Mix bleach and warm water in a bucket, using the 1 part bleach to 3 or 4 parts warm water ratio, or follow manufacturer’s recommendations. Use a mop to apply the solution to the floor and let sit for about 20 minutes. Be sure that the solution covers the grout lines. (If grout lines are cracked or damaged, do not saturate with the mop. Instead, avoid over-wetting by using a cloth or towel to apply the solution in these areas.)
Using a small scrub brush, gently scrub grout lines, beginning in one corner of the room and working your way across the entire floor surface. If you’d rather not get down on your hands and knees, use a clean, nylon bristle broom to scrub the grout lines. Once you’ve finished scrubbing, mop the floor with fresh, clear water.
How to Protect the Grout
Below are the recommendations on how to keep them clean by experts at GoHelpMate.
If water seems to soak right into your grout, it’s probably time to reseal it. Grout sealant repels water, germs, and stains, keeping your grout lines fresh and clean. There are a number of commercial grout sealers on the market. Check with your local hardware or home improvement store for options. Be sure to choose one that’s compatible with your tile, and follow the manufacturer’s application instructions.