Grout Paint...options?

Tile and Grout masters. I have off-white tile kitchen countertops in my house and the previous owner "painted" the dark grey grout with a light tan grout "paint" called Grout Colorant made by Custom. The dark grey was painted over with antique white colorant. I like the colorant but it's coming off in the hi-use areas around the sink and exposing the dark grey underneath. Wife is becoming louder in her complaining... Is there a more permanent PAINT solution to keeping the grout color antique white? I've heard that I can "dremel" out the old grout and regrout with the color I want, but that it is tedious work. I don't think I have the time or patience for that so I think I'm stuck with paint (unless one of you can suggest something simple for removing the old grout). Hopefully you can give me some options for either repainting or replacing the grout. Any help on my situation would be greatly appreciated!
DJay
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djay wrote:

Sometimes - or almost always? - "tedious" gives the best and longest lasting results :o) Dig out the old grout and do it over the right way, including sealing it. I hate paint prep, but I am a fanatic about doing it right so it will last 20 years, or until I change my mind :o) Have the spouse and other interested parties sign a note promising to do it over themselves when the white grout stains from red wine or spaghetti :o)
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Grout saw.
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Okay so now the follow up question:
How does one "dig out" the grout in the most efficient manner. It's 3/16 in width. Any tips for doing that the fast way? The right way?
TIA
DJay
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You can also use a grout saw, which can take out much less material than the Dremel, and would be much faster.
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I think I'd give this stuff a try before going to the level of work you're talking about. Maybe in just a test area to see how it does first...
http://www.aquamix.com/gckit.htm
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I used the grout paint on the grout between the slates in my hall. It does wear off, and it takes FOREVER to apply. I'll rout it out with a grinding wheel I got at HD attached to my drill with an arbor adapter. Forget the dremel, it takes forever and the bits are expensive.
I'll let you know if the grinding wheel works!
wrote:

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