The darker color comes from both the darkness of the roasted malts and from Belgian dark candi sugar. Often has wine-like characteristics. Rodenbach Grand Cru is aged in giant oak casks for 2 years. This style often requires a second tasting . No yeast is added by the brewer.
Airborne yeast ferments the sugar into alcohol.
Each batch varies tremendously which requires the brewer to blend many batches to achieve a consistent product. This is a gueuze with fresh fruit added to balance the tartness. Not much hop bitterness. Good everyday drinking beer. PAGE White or Wit Pale yellow to white color.