it depends on what you want your finished product to ferment out to in alch % well a target. use your tripple scale hydrometer and yes add sugar to the sg you want, it should have a % guide along the sg scale. im not familure with using concentrates but i assume you make your juice as directed...
does anyone know the sg of a 5 sweetness. im from canada and am not sure how the US scales sweetness but 5 here is a fruit wine like strawberry zinfindel and would the alchol content higher or lower throw off the sg for sweetness in a finished wine? for example i have two wines one is 10% and...