Bud XLHouse & Garden Bud XL uses enzyme processes to extract sugars from the large bracts to store them in the fruit or flower of the plant. Start adding Bud XL to the nutrient after the first flowers are formed. This is the period that the big bract loses its function. By adding Bud XL you ensure that the plant's energy is no longer used for keeping the bract, but is directed to forming flowers and fruits. Simultaneously, Bud XL extracts sugars from the