More-or-less standard here now is:
500ml Suma, 500ml some other AJ, 500ml somethinglikecranberry, tsp tannin, 2to4tsp sweetener, tsp nutrient, yeast.
Add water to around 3.5l JIC, then top up fully about day 5 or 6.
That way it'll stay in the demi.... I have a coffee wine on now that seemed...