In a message dated 8/15/2005 10:12:16 A.M. Central Daylight Time,  
ruthstrackb...@hotmail.com writes:

I am  noticing now, that several of my front teeth have sort of vertical 
black  streaks on the which I never noticed before. 


Ruth,
I've been drinking 4 to 6 oz. of 8 to 10 ppm every week day for two years  
now.
I don't see any stains on my teeth at this time.
 
Thom