Advanced Nutrients Sensi Bloom Professional Series - Part B 25 LBSensi Grow Part A and B Professional Series are specifically designed to work together with Sensi Bloom Part A and B Professional Series. This four part base nutrient system is designed to increase yields and overall crop value, while adding the necessary micronutrients, acids, enzymes and coenzymes during the critical vegetative period. The naturally derived ingredients in this four part nutrient utilization package is a powerful blend of highly