I would have an issue if a winery put beet juice in my wine. The thought of it turns my stomach. Obviously the best way to darken a wine is to blend it with a darker variety, such as Petit Syrah. I have seen wine makers use grape skin extract to darken their wine. It has the consistency of ink.
Katie,
Yes, you have a stuck fermentation. At 1.080 and w/ 1116, you should expect a FG below 1.00. I think you need more nutrients, such as fermax, warm temperature (72+) and starter of 1118.
Good Luck.
I would call the orchard to confirm .... it happened to me several years ago. I couldn't get it started even with an entire yeast cake from a homebrew. Many juices are labled "100% juice" ... but with chems. They must be rounding up.
Some commercial juices claim to be "100% Juice" however other ingredients are often added. If "other ingredients" are added, it can't possibly be 100%. Most juices like Ocean Spray, Northland, etc have Potassium Sorbate and often Potassium Metabisulphite. If preservatives are not used, shelf...