Quote:
Originally Posted by asianthree
New builds have a different grout system, that no longer requires sealer. It’s built into the grout. I spilled some blue color on a section with left over tile under my desk in the garage and it didn’t change the light grout color at all.
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That may be true for new builds, but OP has a ten-year-old house, so is looking for solutions for that type of grout.