Grout is a fluid concrete used to fill gaps between tiles, and can get dirty gradually. Here are some ways to clean them:
Easy stains: DIY
Apply a paste of baking soda and water onto these gaps with a toothbrush, then spray with a mixture of vinegar and warm water. After the fizzing has stop, scrub away and use an old rag to clear the mess.
Tough stains: Bleach
For this method, it is advisable to put on a pair of rubber gloves. Apply a mixture of 1 part bleach and 10 parts water and let it soak for 2 minutes before scrubbing with a stiff-bristled brush. Finish off with a grout sealer to repel stains.
Hopelessly stubborn stains: Apply cement
Spread some coloured cement or pre-mixed grout putty over the affected gaps. White coloured cement powder is most commonly available as compared to beige ones. After the mixture has dried up, use a scraper or damp cloth to wipe off the excess.
Professional grout cleaner
If all else fails, hire a professional to do the job for you. You may call Sir Grout, and inquire about their tile and grout cleaning services.
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