Advanced Nutrients Bloom is a strong fertilizer and part of a 3-part nutrient package. The fertilizer is designed for use throughout the vegetative and blooming phases. Bloom comprises the pH Perfect technology, which automatically regulates the level of the pH to optimum rates. Your plants will grow denser flower sites and heavier fruits. Bloom helps your plants absorb more nutrients in a shorter period and accelerates their development. The product comprises essential micro- and macronutrients to ensure healthy growth and increased resistance. With Bloom, you'll achieve larger flowers and heavier fruits.