PRO-XL has created a unique flower food. This food contains all the necessary nutrients the plant needs for optimal flowering. Not only does it supply in all the plant's nutritional needs, but it is also combined in the perfect ratio. Using PRO-Xl flower food increases your growing results. The flower food is simple to use. It consists of an A &B component. This makes the flower food very complete. The food is also extremely concentrated! Because of the completeness of the flowering food, it is extremely suitable for use when growing with CO2.