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John Galt The fertilizer (Grow, Bloom, and Formula X) are all urea free and test at 90% organic. The Bloom (and Formula X) has a small amount of phosphoric acid along with an organic base. The nutrient salts used are basically lab grade. The Necessary Plant Energy is 100% organic (Tricarboxylic acid is naturally produced by plants). Does this help?
*edit* We did an experiment with a corn farmer and he literally doubled his yield, I could relate the specific #'s (they're actually pretty mind blowing) if you would like...