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Old 03-06-2018, 06:36 AM   #4
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Join Date: Jun 2007
Posts: 8
rather than removing the grout

How about using Aquamix grout colorant? It's an epoxy based coating that's tougher than the grout it covers. I used it in my shower 17 yrs ago and it's still amazingly new looking - plus it doesn't absorb water, so no mildew issues!
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