Peroxide bestowed upon me the honor of becoming ... The easiest method to prevent such problems would be to copy/paste the code you want to use directly from our list into the game.

If you want to try this technique, mix the two substances together to make a thick paste (add about one part hydrogen peroxide to two parts baking soda). You can spread the paste over the grout ...

There’s typically a higher percentage of hydrogen peroxide in a whitening gel or strip than there will be in toothpaste, but the best option for you will be something that fits with your lifestyle.

For dirty grout or tiles, mix hydrogen peroxide with baking soda to form a thick paste. Apply the mixture to the grout lines, let it sit for 10–15 minutes, and then scrub with a toothbrush or ...