What is the best way to clean grout?

Scrub with a paste of 3/4-cup baking soda, 1/4-cup hydrogen peroxide and 1 tablespoon of mild dish soap. You can use an old tooth brush to apply the paste to your grout since it will reach any small areas.

Mix a half cup of baking soda, 1/4 cup hydrogen peroxide, and 1 tsp of dish soap. Apply to grout and let it work for 15-20 minutes. Scrub with an old toothbrush and rinse.

Hi Suz,

This is my favorite way to clean the grout:

Mix Powdered Oxygen Bleach With Water

Combine the powdered oxygen bleach with water to form a paste similar to the consistency of toothpaste. Normally this requires a ratio of about two parts powdered oxygen bleach to one part water.

Apply the Paste

Use a sponge to apply a coat of the oxygen bleach paste to the grout lines. Let the paste sit on the grout for 5 to 10 minutes. Make sure to use rubber gloves when handling the mixture.

Scrub the Grout Lines

Scrub the grout lines using a stiff grout brush. You should quickly see the grout brighten to its original color, and any bits of mold or mildew melt off.

Rinse the Paste

Rinse away the paste with clear water, then wipe the tile down with a clean cloth. Let the tile air-dry overnight before resealing the grout.

I use the Awesome product from the dollar store, it is basically the same formula as Oxyclean at a fraction of the price.

ref:https://www.thespruce.com/cleaning-tile-grout-1314822

A few ways to clean grout

https://www.hometalk.com/search/posts?filter=clean%20grout

I used toilet bowl cleaner for some super nasty grout. Lysol in the black bottle. Then I sealed it again and it has stayed clean.

For regular maintenance, I mop with 1 cup baking soda + 1 cup white vinegar + 1 Tbsp blue Dawn + 2 gallon HOT water.

here is more info Suz

https://www.youtube.com/watch?v=ifeSybjr2RY

If the grouting is worn off/down to the extent that there is no more sealant left on it, then no amount of scrubbing will get it to look 'like new' clean, or will keep it clean looking for long before it begins to absorb soaps, dirt, etc.

If the suggestions for cleaning as given by other Hometalkers above, do not maintain the cleanliness of the grouting, it may very likely need to be resealed again.

I use my steam cleaner first, to loosen the dirt, then I scrub it with warm water, vinegar and a toothbrush. Never use bleach it will yellow your grout.

I've been wanting to use a white grout pen to touch up mine: https://amzn.to/3FY5y60

Hi Suz, we used to deep clean the grout by hand once a year, but it was such a painful process. Then I saw this video that uses a drill set on low speed - https://www.youtube.com/watch?v=flfAc_jMzvM. It makes it so much easier

Scrub with Clorox cleanup if there stained with mold soak paper towels in bleach lay on mold over night

Use CLR cleaner or a mild water /bleach soln. and a scrub brush

Hot soapy water with a bit of bleach and a scrub brush

Hands down, hydrogen peroxide and baking soda. Grab an old toothbrush, a little scrubbing and it’ll be like new again. Be sure to seal it up after.

You can check this helpful guide https://m.youtube.com/watch?v=flfAc_jMzvM

I just bought a grout pen from Amazon and painted the grout on very badly stained grout that wouldn't come clean. I tried cleaning it with bleach and a scrub brush but nothing worked. The grout paint was the answer!! https://amzn.to/3smY0VN

This is how I do it: How to Clean Grout

1. Remove surface dirt with hot water and a towel.
2. Mix together ½ cup baking soda, ¼ cup hydrogen peroxide, 1 tsp dish soap.
3. Spoon cleaning agents onto grout and let sit for 5-10 minutes.
4. Scrub the grout lines with a brush. ...
5. Wipe clean.