Mad Farmer Mother Of All Bloom - 5 Pounds Synthetic fertilizer that is processed by mixing phosphoric acid with potassium chloride and then heated to remove all traces of hydrogen and chloride. It is used widely as a fertilizer when high levels of phosphorous and potassium are needed. Synthetic fertilizer formed when phosphoric acid is mixed with ammonia. It is mainly used in the blending of dry agricultural fertilizers. It supplies Nitrogen (11%) and Phosphorous (52%). B vitamin which helps plants resist transplant shock and assist in growth.