Wash and stem blueberries, leave whole. Place blueberries, water and lemon juice in saucepan. Let stand 10 mins. Add sugar to fruit mixture, mixing well. Place over high heat, bring to a full boil and boil hard for 1 min.., stirring constantly. Remove from heat and add certo and Grand Marnier. Skim off foam with metal spoon. Stir and skim for 5 mins. To cool slightly. Pour into sterilized jars and seal at once. Makes 8 cups.
