i am making a 1 gallon of strawwberry wine ,the recipe called for 2 pounds of sugar. i mixed everything up this am, been sitting all day and checked sg and it is only 1.068 the recipe said it should start at 1.090. should i add more sugar or will it be ok with this. if i do need to add more sugar ,about how much should be added. i used white sugar at first,has any one used light broun sugar???????t