Dr. Hornby has spent many years of extensive research and profiling plants. His knowledge, passion and love for this work has produced unparalleled products that flower production and substantially increase yield. Big Bud has been extensively researched, developed and field tested. During field testing, Big Bud overwhelmingly beat all of it's competitors. The reason for this is Big Bud's specific ratios of Phosphorous, Potassium, Magnesium and Amino Acids. Big Bud will dramatically increase flower growth, width, weight and production like no other bloom enhancing product can. Guaranteed or your money back.