Flavour/colour
1 tsp citric acid 30 drops caramel brown 10 drops grape skin colour 6 ml cola flavour
Base recipe
100 g (1 dl) water 450 g (5 1/3 dl) ordinary sugar 125 g (2 dl) dextrose monohydrate 1 ml = 20 drops colour or flavour Source: Urtegaarden