The stone is fine, it is the color enhancer sealer that has reacted with the wine. 180 grit honing powders with clean it up. Pre wet the grout lines 1st to try avoid lightening up the grout. Reapply a sealer can be some what of a problem. It may not take a sealer and the sealer is on top leaving streak marks. We usually take a micro fiber rag and wipe it on. Also set the customer expectations that black honed granite is actually a slight grayish color. The stuff they put on the granite to make it black is what is causing the problem.

On Wednesday, June 11, 2014 8:04 PM, N-Motion Stone and Tile Care <klhudson@atlantastoneandtilecare.com> wrote:

Mike,
I would try stripping it with alkaline base stripper and apply color enhancer!

Sent from my iPhone
Kevin L. Hudson
N-Motion Stone and Tile
(678) 662-0110
> On Jun 11, 2014, at 8:23 PM, Mike Marsoun <nulifesc@bigpond.com> wrote:
>
> This is a "honed black granite" ramp that had a bottle of white wine spilled on it and ran down. They said it was etched. What would you do?
>
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