This easily cleans grout. I had serious grout issues in my kitchen and utility room thanks to two huge dogs and I tried every solution possible. One day I thought I'd try the Clorox spray and I couldn't believe how easy it was.

Spray the grout, let sit a minute or two, then scrub with a toothbrush type of brush. Then rinse clean.

I also have painted cabinets and Dawn in warm water works good but not on the cabinets above the stove. Using a microfiber cloth to wash the cabs and another microfiber cloth to dry works miracles.

I don't know what the best method is, but I moved into a house with marble subway tile in the master bedroom shower. The previous owner chose white grout. In a desperate attempt to prevent discloration, I've been spraying inside of the shower with "tilex with clorox" after most showers. I have no idea if I should be doing that, given the tile material. But I+ year later the grout is still white.

Thanks. As far as the Clorox I am hesitant about bleach bc I heard it is acidic and will break down the grout faster over time. So I don’t want to use that. But the Dawn for the cabinets sounds good.

What I have found that works best on grout is the original Krud Kutter. Spray it on and let it sit for several minutes then scrub with a narrow grout brush. It can be found at big box stores usually in the paint department.

aiallega is correct that Krud Kutter is great to use on grout and for polishing up kitchen cabinets without doing any damage, use Howard Lemon Oil. Look it up as it's used specifically for cleaning and polishing wood: https://amzn.to/3iuSydr

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Did you seal the grout in the shower after it was redone? If not, that would be a good idea.

Thanks. Yes. Was sealed with a penetrating sealer

I found that hydrogen peroxide worked better than bleach or other dedicated grout cleaners when I sprayed it in my shower.