How to Clean Grout the Smart Way (Without Breaking a Sweat!) 

An easy way to clean grout stains is to make a thick paste consisting of baking soda and water by simply mixing them together. It’s among the best homemade grout cleaners. Use an old toothbrush to apply this paste to the grout and gently scrub it clean.

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If you don’t like the elbow grease that comes with scrubbing grout using a generic toothbrush, you can use an old electric or battery-operated toothbrush instead. Many of these come with an extra brush that you could use specifically for household cleaning. It’s like your very own tile grout cleaning machine.

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If baking soda alone doesn’t cut it, add some hydrogen peroxide to it instead of water. The mildly abrasive properties of the baking soda helps lift dirt from the porous grout, while the hydrogen peroxide acts as a gentle, non-toxic bleach. For even more cleaning power, you can also add a dash of dish soap to the mix. A good ratio is ½ cup baking soda, ¼ cup hydrogen peroxide and one teaspoon dish soap. When you apply your mix, let it sit on the grout for about 10 minutes. This allows the mixture some time to loosen the dirt. Then gently scrub and wipe the surface clean with a damp cloth.

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So, how do you clean grout with vinegar and baking soda? Apparently, vinegar is a popular natural household cleaner, but it’s too acidic for cleaning grout. In fact, the acetic acid in vinegar can corrode the grout over time, so you might want to avoid using it for cleaning in this case.

One of the simplest ways to clean grout is with boiling water. To start, bring a kettle of water to a rolling boil. Next, pour a bit of the boiling water directly onto the grout. Use a scrubbing brush to gently scrub the grout in a circular motion. Do this in small patches at a time, so that the water doesn’t have too much time to cool. The heat will release the grime. Afterwards, you can simply use a towel to dry the excess water.

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If the grout is very dirty and grimy, you can also let your paste sit for even longer than 10 minutes before scrubbing it off. About 15 to 20 minutes should be enough time for the hydrogen peroxide to let its brightening and whitening properties work. Then gently scrub away.

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Non-chlorine bleach has great disinfecting and whitening powers. However, much like straight vinegar, it might damage some tiles. Before you opt for using bleach, do a spot test first. Choose an inconspicuous place on the tiled surface, such as a bottom corner, so that if the bleach does affect the colour of your tiles, it won’t be too obvious.

White grout can benefit from a bit of bleach to remove stains and brighten things, and powdered oxygenated bleach is gentle. Follow the manufacturer’s instructions to mix the bleach powder with water, then apply it and let it sit for 10 to 15 minutes before rinsing.

Chlorine bleach has strong cleaning and disinfecting powers but it can also damage the grout – and your tiles. Because grout is porous, the bleach can even leak onto the subflooring and damage that, too. Use it as a last resort for those really stubborn stains.

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If you’re worried that bleach will discolour your tiles, use a bleach pen instead. This allows you to apply the bleach with more precision so that it only gets onto the grout.

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Bleach can release toxic fumes, so if you’re using it to clean grout, open the windows and make sure the area you’re working in is well-ventilated.

While baking soda won’t do much damage to your hands, bleach can burn your skin. If you use a grout cleaner that contains bleach, wear rubber gloves while cleaning and scrubbing. Your hands will thank you.

Once you’ve cleaned the grout, use a gentle floor cleaner and a mop to clean the entire surface. This will get rid of any remaining bits of dirt and grout cleaner and have your tiles sparkling like new, too.

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Once the grout is clean, you may want to apply a grout sealer, unless your grout is epoxy-based. This will protect the grout against future staining, so you won’t have to keep repeating the process of scrubbing. Make sure the tiles are completely dry before applying the sealant according to the manufacturer’s instructions.

If you re-tile a surface, consider using an epoxy-based grout rather than the more traditional cement grout. It’s more expensive and more difficult to apply, but it’s much more durable. It’s also nearly stain-proof so you’ll have much less cleaning to do.

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One of the easiest ways to prevent grout from getting dirty in the first place is to change the way you clean your tiled surfaces. Sweeping just spreads the dirt around and allows it to get into the porous grout. Vacuuming, however, lifts and removes the dirt so that it doesn’t get to settle into the grout lines.

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