Dr. Hornby and other Advanced Nutrients scientists have spent many years researching the interaction between nutrients, additives and growth patterns in a variety of horticultural and agricultural applications. They've used this special research to produce unparalleled products that supercharge production and substantially increase yield and quality in a variety of crops. Dr. Hornby's Big Bud has been extensively researched, developed and field-tested. Big Bud contains the correct ratios of quality-sourced Phosphorous, Potassium, Magnesium and Amino Acids. Big Bud will increase growth, vigor and production for your crops like no other bloom enhancing product can, or you get your money back (see pack for details).