How do You Make Grape Jelly?

The ingredients needed are, 3 1/2 cups grape juice, 5 1/2 cups sugar,a two ounce box of pectin and 1/4 cup lemon.Mix all your ingredients in a pot and boil until the pectin is completely dissolved.Heat until it reaches a full boil. Pour into canning jars, do not overfill,then place the jars into a boiling water bath be sure to cover the jars completely . Let the water boil for 10 minutes. After ;letting the jars cool down for several hours, store them in a cupboard, there you have it , grape jelly.