In a 2 cup measure, conbine vinegar and water. Stir in salt, pepper, paprika, brown sugar, molasses and dry mustard. Set aside to boil over medium/low heat. Stir in vinegar water. TRANSFER to outside grill and simmer uncovered for an hour or so,,, stirring from the jar in the refrigerator. SERVE HOT WITH BARBECUE,,, (this is VERY similiar to one served in one of our more popular BBQ restaurants.)